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281
GATE2020 IN: 49
A circuit consisting of capacitors, DC voltage source and an amplifier having a voltage gain G=-5 is shown in the figure. The effective capacitance across the nodes A and B $\text{(in $\mu$F, rounded off to one decimal place)}$ is ________
A circuit consisting of capacitors, DC voltage source and an amplifier having a voltage gain G=-5 is shown in the figure. The effective capacitance across the nodes A and...
soujanyareddy13
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numerical-answers
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282
GATE2020 IN: 50
Consider the following state variable equations: $\dot{x_1}(t)=x_2(t)$ $\dot{x_2}(t)=-6x_1(t)-5x_2(t)$ The initial conditions are $x_1(0)=0 \:and\: x_2(0)=1.$ At $t=1$ second, the value of $x_2(1)$ $\text{(rounded off to two decimal places)}$ is ___________
Consider the following state variable equations:$\dot{x_1}(t)=x_2(t)$$\dot{x_2}(t)=-6x_1(t)-5x_2(t)$The initial conditions are $x_1(0)=0 \:and\: x_2(0)=1.$ At $t=1$ secon...
soujanyareddy13
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numerical-answers
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283
GATE2020 IN: 51
Assume the diodes in the circuit shown are ideal. The current $I_X$ flowing through the $3\: k\Omega$ resistor $\text{(in mA, rounded off to one decimal place)}$ is ___________
Assume the diodes in the circuit shown are ideal. The current $I_X$ flowing through the $3\: k\Omega$ resistor $\text{(in mA, rounded off to one decimal place)}$ is _____...
soujanyareddy13
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gate2020-in
numerical-answers
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284
GATE2020 IN: 52
A $\text{1000/1 A, 5 VA, UPF}$ bar-primary measuring current transformer has $1000$ secondary turns. The current transformer exhibits a ratio error of $-0.1\%$ and a phase error of $3.438$ minutes when the primary current is $1000 A.$ At this operating condition, the rms value of the magnetization current of the current transformer $\text{(in amperes, rounded off to two decimal places)}$ is _________
A $\text{1000/1 A, 5 VA, UPF}$ bar-primary measuring current transformer has $1000$ secondary turns. The current transformer exhibits a ratio error of $-0.1\%$ and a phas...
soujanyareddy13
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285
GATE2020 IN: 53
The mutual inductances between the primary coil and the secondary coils of linear variable differential transformer (LVDT) shown in the figure are $M_1$ and $M_2$. Assume that the self-inductances $L_{s1}$ and $L_{s2}$ remain constant and are independent of $x$. When x=0, $M_1=M_2=M_0.$ When $x$ ... x=D, the voltage across the detector becoms zero when $|V_2|=1.25|V_1|$. The value of $D$ (in mm, rounded off to one decimal place) is _______
The mutual inductances between the primary coil and the secondary coils of linear variable differential transformer (LVDT) shown in the figure are $M_1$ and $M_2$. Assume...
soujanyareddy13
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numerical-answers
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286
GATE2020 IN: 54
In the Maxwell-Wien bridge shown, the detector D reads zero when $C_1=100 nF$ and $R_1=100 k\Omega$. The Q factor of the coil is ______
In the Maxwell-Wien bridge shown, the detector D reads zero when $C_1=100 nF$ and $R_1=100 k\Omega$. The Q factor of the coil is ______
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gate2020-in
numerical-answers
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287
GATE2020 IN: 55
The loop transfer function of a negative feedback system is $ G(s)H(s)=\frac{2(s+1)}{s^2}$. The phase margin of the system $\text{(in degrees, rounded off to one decimal place)}$ is __________
The loop transfer function of a negative feedback system is $ G(s)H(s)=\frac{2(s+1)}{s^2}$. The phase margin of the system $\text{(in degrees, rounded off to one decimal ...
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288
GATE2020: 1
The unit vectors along the mutually perpendicular x,y and z axes are $\hat{i},\;\hat{j}\; and \;\hat{k}$ respectively. Consider the plane $z=0$ and two vectors $\overrightarrow{a} and\;\overrightarrow{b}$ on that plane such that $\overrightarrow{a}\neq \alpha \overrightarrow{b}$ for any scalar $\alpha$. A vector perpendicular to both $\overrightarrow{a} and\;\overrightarrow{b}$ is ___________ $\hat{k}$ $\hat{i}-\hat{j}$ $-\hat{j}$ $\hat{i}$
The unit vectors along the mutually perpendicular x,y and z axes are $\hat{i},\;\hat{j}\; and \;\hat{k}$ respectively. Consider the plane $z=0$ and two vectors $\overrigh...
soujanyareddy13
2.7k
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Calculus
gate2020-in
calculus
vector-calculus
vector-identities
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289
GATE2020: 2
Consider the recursive equation $X_{n+1}=X_n – h(F(X_n)-X_n),$ with initial condition $X_0=1$ and h>0 being a very small valued scalar. This recursion numerically solves the ordinary differential equation ________ $\dot{X}=-F(X), X(0)=1$ $\dot{X}=-F(X)+X, X(0)=1$ $\dot{X}=F(X), X(0)=1$ $\dot{X}=F(X)+X, X(0)=1$
Consider the recursive equation $X_{n+1}=X_n – h(F(X_n)-X_n),$ with initial condition $X_0=1$ and h>0 being a very small valued scalar. This recursion numerically solve...
soujanyareddy13
2.7k
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Differential equations
gate2020-in
differential-equations
recursive-equation
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290
GATE2020: 3
A set of linear equations is given in the form $Ax=b$, where A is a $2\times 4$ matrix with real number entries and $b\neq 0.$ will it be possible to solve for $x$ and obtain a unique solution by multiplying both left and right sides of the equation by $A^T$ (the super script $T$ denotes the transpose) and ... $A^T A$ is well conditioned Yes, can obtain a unique solution provided the matrix $A$ is well conditioned
A set of linear equations is given in the form $Ax=b$, where A is a $2\times 4$ matrix with real number entries and $b\neq 0.$ will it be possible to solve for $x$ and ob...
soujanyareddy13
2.7k
points
soujanyareddy13
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Nov 3, 2020
Linear Algebra
gate2020-in
linear-algebra
matrices
matrix-algebra
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291
GATE2020: 4
In the circuit shown below, the safe maximum value for the current $I$ is _______ $\text{1.0 A}$ $\text{0.5 A}$ $\text{0.1 A}$ $\text{0.05 A}$
In the circuit shown below, the safe maximum value for the current $I$ is _______$\text{1.0 A}$$\text{0.5 A}$$\text{0.1 A}$$\text{0.05 A}$
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292
GATE2020: 5
A differentiator has a transfer function whose phase increases linearly with frequency magnitude remains constant magnitude increases linearly with frequency magnitude decreases linearly with frequency
A differentiator has a transfer function whosephase increases linearly with frequencymagnitude remains constantmagnitude increases linearly with frequencymagnitude decrea...
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293
GATE2020: 6
A phase lead network has the transfer function $G(S)=\frac{1+0.2s}{1+0.05s}$. The angular frequency at which the maximum phase shift for the network occurs is _____________ $10\;rad/s$ $20\;rad/s$ $100\;rad/s$ $200\;rad/s$
A phase lead network has the transfer function $G(S)=\frac{1+0.2s}{1+0.05s}$. The angular frequency at which the maximum phase shift for the network occurs is ___________...
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294
GATE2020: 7
If the diodes in the circuit shown are ideal and the breakdown voltage $V_z$ of the Zener diode is $5\;V$ the power dissipated in the $100\;\Omega$ resistor (in watts) is __________. $0$ $1$ $25/100$ $225/100$
If the diodes in the circuit shown are ideal and the breakdown voltage $V_z$ of the Zener diode is $5\;V$ the power dissipated in the $100\;\Omega$ resistor (in watts) is...
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295
GATE2020: 8
Given $f(A,B,C,D)=\sum m(0,1,2,6,8,9,10,11)+\sum d(3,7,14,15)$ is a Boolean function, where m represents min-terms and d represents don’t-cares. The minimal sum of products expression for f is _________ $f=A\overline{B}+CB$ $f=\overline{B}+C$ $f=\overline{D}+A$ $f=\overline{A}B+\overline{C}D$
Given $f(A,B,C,D)=\sum m(0,1,2,6,8,9,10,11)+\sum d(3,7,14,15)$ is a Boolean function, where m represents min-terms and d represents don’t-cares. The minimal sum of prod...
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2.7k
points
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Nov 3, 2020
Digital Electronics
gate2020-in
digital-electronics
boolean-algebra
boolean-functions
sum-of-products-form
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votes
0
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296
GATE2020: 9
A $Q$ meter is best suited for the measurement of the ___________ Quality factor of a capacitance Distributed capacitance of a coil quality factor of piezoelectric sensor Turns-ratio of a transformer
A $Q$ meter is best suited for the measurement of the ___________Quality factor of a capacitanceDistributed capacitance of a coilquality factor of piezoelectric sensorTur...
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297
GATE2020: 10
If I is the current flowing through a Hall effect sensor and B is the magnetic flux density perpendicular to the direction of the current $\text{(in the plane of the Hall effect sensor),}$ the Hall voltage generated is __________ Directly proportional to I and inversely proportional to B Directly proportional to both I and B Inversely proportional to both I and B Inversely proportional to I and directly proportional to B
If I is the current flowing through a Hall effect sensor and B is the magnetic flux density perpendicular to the direction of the current $\text{(in the plane of the Hal...
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298
GATE2020: 11
The boolean expression for the shaded regions as shown in the figure is _________ $(A+B)\bullet (\overline{A}+\overline{B})$ $(A+\overline{B})\bullet (\overline{A}+B)$ $(\overline{A}+B)\bullet (\overline{A}+\overline{B})$ $(\overline{A}+\overline{B})\bullet (A+\overline{B})$
The boolean expression for the shaded regions as shown in the figure is _________$(A+B)\bullet (\overline{A}+\overline{B})$$(A+\overline{B})\bullet (\overline{A}+B)$$(\ov...
soujanyareddy13
2.7k
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Nov 3, 2020
Digital Electronics
gate2020-in
digital-electronics
boolean-algebra
boolean-expression
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0
answers
299
GATE2020: 12
The boolean operation performed by the following circuit at the output O is _______ $O=S_1\oplus S_0$ $O=S_1\bullet \overline{S_0}$ $O=S_1+S_0$ $O=S_0\bullet \overline{S_1}$
The boolean operation performed by the following circuit at the output O is _______$O=S_1\oplus S_0$$O=S_1\bullet \overline{S_0}$$O=S_1+S_0$$O=S_0\bullet \overline{S_1}$
soujanyareddy13
2.7k
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Nov 3, 2020
Digital Electronics
gate2020-in
digital-electronics
combinational-circuits
multiplexers
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0
answers
300
GATE2020: 13
Consider the signal $x[n]=\sin(2\pi n)u[n]$, where $u[n]= \left\{ \begin{array}{rcl} 1 & n=0,1,2,3\dots \\ 0 & otherwise\end{array}\right. $ The period of this signal $x[n]$ is ___________. $4$ $3$ $2$ $1$
Consider the signal $x[n]=\sin(2\pi n)u[n]$, where $u[n]= \left\{ \begin{array}{rcl} 1 & n=0,1,2,3\dots \\ 0 & otherwise\end{array}\right. $The period of this signal $x[n...
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Others
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301
GATE2020: 14
The closed loop transfer function of a control system is given by $\frac{C(s)}{R(s)}=\frac{1}{s+1}$. for the input $r(t)=\sin\;t$ the steady state response $c(t)$ is ___________ $1$ $\frac{1}{\sqrt{2}} \cos t$ $\frac{1}{\sqrt{2}} \sin (t+\frac{\pi}{4})$ $\frac{1}{\sqrt{2}} \sin (t-\frac{\pi}{4})$
The closed loop transfer function of a control system is given by $\frac{C(s)}{R(s)}=\frac{1}{s+1}$. for the input $r(t)=\sin\;t$ the steady state response $c(t)$ is ____...
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302
GATE2020: 15
Let $f(z)=\frac{1}{z+a},a>0.$ the value of the integral $\oint f(z)dz$ over a circle $C$ with center $(-a,0)$ and radius $R>0$ evaluated in the anti-clockwise direction is ____________ $0$ $2\pi i$ $-2\pi i$ $4\pi i$
Let $f(z)=\frac{1}{z+a},a>0.$ the value of the integral $\oint f(z)dz$ over a circle $C$ with center $(-a,0)$ and radius $R>0$ evaluated in the anti-clockwise direction i...
soujanyareddy13
2.7k
points
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Nov 3, 2020
Analysis of complex variables
gate2020-in
analysis-of-complex-variables
cauchys-integral-theorem
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303
GATE2020: 16
A player throws a ball at a basket kept at a distance. The probability that the ball falls into the basket in a single attempt is 0.1. The player attempts to throw the ball twice. Considering each attempt to be independent, the probability that this player puts the ball into the basket only in the second attempt $\text{(rounded off to two decimal places)}$ is __________
A player throws a ball at a basket kept at a distance. The probability that the ball falls into the basket in a single attempt is 0.1. The player attempts to throw the ba...
soujanyareddy13
2.7k
points
soujanyareddy13
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Probability and Statistics
gate2020-in
numerical-answers
probability-and-statistics
probability
conditional-probability
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votes
0
answers
304
GATE2020: 17
Assuming ideal opamps, the output voltage at $V_1$ in the figure shown (in volts) is __________
Assuming ideal opamps, the output voltage at $V_1$ in the figure shown (in volts) is __________
soujanyareddy13
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Others
gate2020-in
numerical-answers
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0
answers
305
GATE2020: 18
Three $400\;\Omega$ resistors are connected in delta and powered by a $400\;V\;(rms), \;50\;Hz,$ balanced symmetrical $R-Y-B$ sequence, three-phase three-wire mains. The rms value of the line current $\text{(in amperes, rounded off to one decimal place)}$ is __________.
Three $400\;\Omega$ resistors are connected in delta and powered by a $400\;V\;(rms), \;50\;Hz,$ balanced symmetrical $R-Y-B$ sequence, three-phase three-wire mains. The ...
soujanyareddy13
2.7k
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soujanyareddy13
asked
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Others
gate2020-in
numerical-answers
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306
GATE2020: 19
Consider the signal $x(t)=e^{-|t|}$. Let $X(j\omega)=\int_{-\infty}^{\infty} x(t)e^{-j\omega t} dt$ be the Fourier transform of $x(t)$. The value of $X(j0) $is _________
Consider the signal $x(t)=e^{-|t|}$. Let $X(j\omega)=\int_{-\infty}^{\infty} x(t)e^{-j\omega t} dt$ be the Fourier transform of $x(t)$. The value of $X(j0) $is _________
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2.7k
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Differential equations
gate2020-in
numerical-answers
differential-equations
fourier-transform
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votes
0
answers
307
GATE2020: GA: 1
He is known for his unscrupulous ways. He always sheds ___________ tears to deceive people. fox’s crocodile’s crocodile fox
He is known for his unscrupulous ways. He always sheds ___________ tears to deceive people.fox’scrocodile’scrocodilefox
soujanyareddy13
2.7k
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Nov 3, 2020
Verbal Aptitude
gate2020-in
verbal-ability
most-appropriate-word
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votes
0
answers
308
GATE2020: GA: 2
Jofra Archer, the England fast bowler, is _____________ than accurate. more fast faster less faster more faster
Jofra Archer, the England fast bowler, is _____________ than accurate.more fastfasterless fastermore faster
soujanyareddy13
2.7k
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Verbal Aptitude
gate2020-in
verbal-ability
most-appropriate-word
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–
0
votes
0
answers
309
GATE2020: GA: 3
Select the word that fits the analogy: $\text{Build : Building :: Grow :}$ _______________ Grown Grew Growth Growed
Select the word that fits the analogy:$\text{Build : Building :: Grow :}$ _______________GrownGrewGrowthGrowed
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2.7k
points
soujanyareddy13
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Nov 3, 2020
Verbal Aptitude
gate2020-in
verbal-ability
word-pairs
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0
votes
0
answers
310
GATE2020: GA: 4
I do not think you know the case well enough to have opinions. Having said that, I agree with your other point. What does the phrase “having said that” mean in the given text? as opposed to what I have said despite what I have said in addition to what I have said contrary to what I have said
I do not think you know the case well enough to have opinions. Having said that, I agree with your other point.What does the phrase “having said that” mean in the giv...
soujanyareddy13
2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Verbal Aptitude
gate2020-in
verbal-ability
verbal-reasoning
verbal-inference
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–
0
votes
0
answers
311
GATE2020: GA: 5
Define $[x]$ as the greatest integer less than or equal to $x$, for each $x \; \in \; [-\infty,\infty]$. If $y=[x],$ then area under $y$ for $x \; \in \; [1,4]$ is ____________. $1$ $3$ $4$ $6$
Define $[x]$ as the greatest integer less than or equal to $x$, for each $x \; \in \; [-\infty,\infty]$. If $y=[x],$ then area under $y$ for $x \; \in \; [1,4]$ is _____...
soujanyareddy13
2.7k
points
soujanyareddy13
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Nov 3, 2020
Quantitative Aptitude
gate2020-in
numerical-ability
functions
area
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0
votes
0
answers
312
GATE2020: GA: 6
Crowd funding deals with mobilisation of funds for a project from a large number of people, who would be willing to invest smaller amounts through web-based platforms in the project. Based on the above paragraph, which of the following is correct about crowd funding? Funds raised through ... through large contributions on web-based platforms Funds raised through coerced contributions on web-based platforms Funds raised through voluntary contributions on web-based platforms
Crowd funding deals with mobilisation of funds for a project from a large number of people, who would be willing to invest smaller amounts through web-based platforms in ...
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2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Verbal Aptitude
gate2020-in
verbal-ability
verbal-reasoning
passage-reading
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–
0
votes
0
answers
313
GATE2020: GA: 7
$\text{P, Q, R and S}$ are to be uniquely coded using $\alpha$ and $\beta$. If $P$ is coded as $\alpha\alpha$ and $Q$ as $\alpha\beta,$ then $R$ and $S$, respectively, can be coded as ___________. $\beta\alpha$ and $\alpha\beta$ $\beta\beta$ and $\alpha\alpha$ $\alpha\beta$ and $\beta\beta$ $\beta\alpha$ and $\beta\beta$
$\text{P, Q, R and S}$ are to be uniquely coded using $\alpha$ and $\beta$. If $P$ is coded as $\alpha\alpha$ and $Q$ as $\alpha\beta,$ then $R$ and $S$, respectively, ca...
soujanyareddy13
2.7k
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Nov 3, 2020
Analytical Aptitude
gate2020-in
analytical-aptitude
logical-reasoning
sequence-series
easy
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–
0
votes
0
answers
314
GATE2020: GA: 8
The sum of the first $n$ terms in the sequence $\text{8, 88, 888, 8888,$\dots$}$ is __________. $\frac{81}{80}(10^n-1)+\frac{9}{8}n$ $\frac{81}{80}(10^n-1)-\frac{9}{8}n$ $\frac{80}{81}(10^n-1)+\frac{8}{9}n$ $\frac{80}{81}(10^n-1)-\frac{8}{9}n$
The sum of the first $n$ terms in the sequence $\text{8, 88, 888, 8888,$\dots$}$ is __________.$\frac{81}{80}(10^n-1)+\frac{9}{8}n$$\frac{81}{80}(10^n-1)-\frac{9}{8}n$$\f...
soujanyareddy13
2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Quantitative Aptitude
gate2020-in
numerical-ability
arithmetic-series
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–
0
votes
0
answers
315
GATE2020: GA: 9
Select the graph that schematically represents $\text{BOTH} \;y=x^m$ and $y=x^{1/m}$ properly in the interval $0\leq x\leq 1$, for integer values of $m$, where $m>1$.
Select the graph that schematically represents $\text{BOTH} \;y=x^m$ and $y=x^{1/m}$ properly in the interval $0\leq x\leq 1$, for integer values of $m$, where $m>1$.
soujanyareddy13
2.7k
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Nov 3, 2020
Quantitative Aptitude
gate2020-in
numerical-ability
functions
curves
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–
0
votes
0
answers
316
GATE2020: GA: 10
The bar graph shows the data of the students who appeared and passes in an examination for four schools $\text{P, Q, R and S.}$ The average of success rates (in percentage) of these four schools is _________. $58.5\%$ $58.8\%$ $59.0\%$ $59.3\%$
The bar graph shows the data of the students who appeared and passes in an examination for four schools $\text{P, Q, R and S.}$ The average of success rates (in percentag...
soujanyareddy13
2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Quantitative Aptitude
gate2020-in
numerical-ability
data-interpretation
bar-graph
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–
0
votes
0
answers
317
GATE2017: 31
A series $R-L-C$ circuit is excited with an a.c. voltage source. The quality factor $(Q)$ of the circuit is given as $Q=30$. The amplitude of current in $\text{ampere}$ at upper half-power frequency will be _________.
A series $R-L-C$ circuit is excited with an a.c. voltage source. The quality factor $(Q)$ of the circuit is given as $Q=30$. The amplitude of current in $\text{ampere}$ a...
soujanyareddy13
2.7k
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soujanyareddy13
asked
Nov 2, 2020
Others
gate2017-in
numerical-answers
+
–
0
votes
0
answers
318
GATE2017: 32
In the circuit diagram, shown in the figure, $S_1$ was closed and $S_2$ was open for a very long time. At $t=0,\;S_1$ is opened and $S_2$ is closed. The voltage across the capacitor, in volt, at $t=5\mu s$ is _________.
In the circuit diagram, shown in the figure, $S_1$ was closed and $S_2$ was open for a very long time. At $t=0,\;S_1$ is opened and $S_2$ is closed. The voltage across th...
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GATE2017: 33
Consider two discrete-time signals: $x_1(n)$={1,1} and $x_2(n)$={1,2} , for $n=0,1$. The Z-transform of the convoluted sequence $x(n)=x_1(n)^*x_2(n)$ is $1+2z^{-1}+3z^{-2}$ $z^2+3z+2$ $1+3z^{-1}+2z^{-2}$ $z^{-2}+3z^{-3}+2z^{-4}$
Consider two discrete-time signals:$x_1(n)$={1,1} and $x_2(n)$={1,2} , for $n=0,1$.The Z-transform of the convoluted sequence $x(n)=x_1(n)^*x_2(n)$ is$1+2z^{-1}+3z^{-2}$$...
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GATE2017: 34
Three $DFT$ coefficients, out of five $DFT$ coefficients of a five-point reall sequence are given as: $X(0)=4$, $X(1)=1-j1$ and $X(3)=2+j2$. The zeroth value of the sequence $x(n), \;x(0)$,is $1$ $2$ $3$ $4$
Three $DFT$ coefficients, out of five $DFT$ coefficients of a five-point reall sequence are given as: $X(0)=4$, $X(1)=1-j1$ and $X(3)=2+j2$. The zeroth value of the seque...
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