Recent questions without an upvoted answer

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To continue the sequence of tiles shown, the tile indicated by the question mark should be
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The $2^{\text {nd }}$ of June is a Thursday in a certain year. Which day of the week is the $3^{\text {rd }}$ of July in that year?ThursdayFridaySaturdaySunday
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A coin with heads facing up is shown as (H) and a coin with tails facing up is shown as (T).Six coins are placed in the Starting Arrangement, as shown in the figure below...
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Exacerbate : Mitigate :: $\_\_\_\_$Choose the option with the correct pair of words to fill the blank.Aggravate: AlleviateAlleviate: PrecipitateAggravate: PrecipitateEman...
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A paper shown in Panel $\text{I}$ is folded along the dashed lines (- - -) to construct a cube. The shaded regions shown in Panel $\text{I}$ appear on the outer surface o...
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In a population, patients who have high cholesterol also have high blood-pressure (BP). Some patients with high BP also have diabetes. There are no patients who have both...
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Four people $\mathrm{P}, \mathrm{Q}, \mathrm{R}$, and $\mathrm{S}$, of different ages, make the following observations.$\mathrm{I}$ am younger than $\mathrm{S}$.$\mathrm{...
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Circles $C_{1}, C_{2}$, and $C_{3}$, with centers $O_{1}, O_{2}$, and $O_{3}$, and radii $r_{1}, r_{2}$, and $r_{3}$, respectively, touch each other as shown in the follo...
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A matrix $P \in \mathbb{R}^{3 \times 3}$ satisfies $P^{3}-4 P^{2}+5 P-2 I=0$ where $I$ is a $3 \times 3$ identity matrix.The set of all possible eigenvalues of matrix $P$...
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Which one among the following statements is true for the function $f(x)=x\mid x \mid $?$f(x)$ is discontinuous but not differentiable at $x=0$.$f(x)$ is discontinuous and...
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Consider a function $f(z)=z^{2}+z+1$ where $z \in \mathbb{C}$ is a complex variable. A simple closed contour $\gamma$ in $z$-plane encloses the point $z=1+0 j$.The value ...
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An electric field has a potential of $V(x, y, z)=\sqrt{x^{2}+y^{2}+z^{2}} \mathrm{~V}$. A charge of $1$ coulomb placed at $(\hat{\imath}+\hat{\jmath}+\hat{k})$ experience...
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The RLC filter shown below acts as a $\_\_\_\_$.low pass filterhigh pass filterband pass filterband stop filter
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A single phase step-down transformer has a high voltage primary winding and a low voltage secondary winding. The secondary winding is connected to a load impedance $Z_{2}...
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A square wave signal of frequency $20$ $\mathrm{kHz}$ is passed through an ideal low-pass filter with cut-off frequency of $21$ $\mathrm{kHz}$. The output signal is a $\_...
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Given $x(t)=4 \sin (15 \pi t)+7 \cos (4 \pi t)$, where $t$ is in seconds.The fundamental period of $x(t)$ is $\_\_\_\_\_\_$ seconds.$15$$60$$30$$2$
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Among the following, the differential equation(s) not representative of a linear dynamical system is/are $\_\_\_\_\_\_$.$\dfrac{d^{2} x}{d t^{2}}+2 t \dfrac{d x}{d t}+x(t...
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A common gate amplifier represents a $\_\_\_\_\_\_$.voltage controlled voltage sourcecurrent controlled current sourcevoltage controlled current sourcecurrent controlled ...
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In the circuit shown, the BJT has a $\beta$ of $100$. The base-emitter junction voltage is $0.65$ $\mathrm{V}$. The quiescent collector current, $I_{C}$ is $\_\_\_\_$ $\m...
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The maximum signal to quantization noise ratio (SQNR) for a $16$-bit analog-todigital converter is approximately $\_\_\_\_\_\_$ $\mathrm{dB}$.$48$$68$$88$$98$
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The Kelvin double bridge is used to measure $\_\_\_\_$ valued resistances and has $\_\_\_\_$ resistors in its construction.low ; three-terminallow ; four-terminalhigh ; t...
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Active strain gauges are connected in a half-bridge configuration to measure strain in a cantilever element. When powered by a voltage source of $10$ $\mathrm{V}$, the vo...
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A glass $\mathrm{pH}$ electrode behaves linearly with an output change of $60$ $\mathrm{mV}$ per unit change in $\mathrm{pH}$. The measurement reference is set such that ...
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An analog speech signal contains signals from $200$ $\mathrm{Hz}$ to $2400$ $\mathrm{Hz}$. It is sampled at $6$ $\mathrm{kHz}$ and quantized with $512$ levels for pulse c...
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The slope efficiency of a laser diode is $0.5 \mathrm{~W} / \mathrm{A}$, and the output optical power at a current of $100$ $\mathrm{mA}$ is $30$ $\mathrm{mW}$. Assuming ...
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In a linear element, the measured current is $100 \mathrm{~mA} \pm 2.5 \%$ and the measured voltage is $5 \mathrm{~V} \pm 5 \%$. Which of the following options show $(\ma...
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Which of the following statements is/are correct for a thermocouple?It is based on the Seebeck Effect.The change in resistance is measured.The voltage difference between ...
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A data set is given to be $[1,2,0,-1,-3,1,2,0,1]$.The median of the data set is $\_\_\_\_$ . (rounded off to the nearest integer)
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The potential difference between nodes $A$ and $B$ in a circuit is $v_{A}-v_{B}=5 \mathrm{~V}$. The work done in moving a charge of $1$ coulomb from point $B$ to $A$ is $...
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In a series $R L$ circuit shown in the figure, the current through the resistor lags the AC source voltage by $45^{\circ}$. Let $R=100 \pi \Omega$ and $L=2 \mathrm{H}$.Th...
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In the circuit below the maximum value of $\mathcal{V}_{\text {out }}$ is $\_\_\_\_$ $\mathrm{V}$. (rounded off to the nearest integer) 
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The minimum number of comparators required in a $6$-bit flash analog-to-digital converter is $\_\_\_\_\_\_$. (answer in integer)
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A box contains three apples and two oranges. Two fruits are removed randomly in succession. The probability that the first is an apple and the second is an orange is $\_\...
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An electric field in free space is$\vec{E}=(2 x+5 y+6 z) \hat{\imath}+(5 x+4 y+10 z) \hat{\jmath}+(6 x+10 y+2 z) \hat{k} \mathrm{~V} / \mathrm{m}.$The charge density is $...
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A straight thin wire carrying a current of $I=1 \mathrm{~A}$ in the direction $\widehat{n}=\dfrac{1}{\sqrt{6}} \hat{\imath}+\dfrac{2}{\sqrt{6}} \hat{\jmath}+\dfrac{1}{\sq...
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A two-port network has $\mathrm{z}$-parameters $z_{11}=z_{22}=10 \Omega$, and $z_{12}=z_{21}=5 \Omega$.The value of $R_{L}$ such that maximum power is transferred to $R_{...
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In the circuit shown below, the value of the output voltage $V_{0}$ is $\_\_\_\_$ $\mathrm{V}$.$2$$3$$4$$8$
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A signal $x(t)$ is shown below.The plot of $y(t)=1-x(4-t)$ is shown in $\_\_\_\_\_\_$.  
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In the table shown below, List-I are the system responses to input $x(t)$ and List-II are the system properties. The correct matching is $\_\_\_\_\_\_$.$$\begin{array}{|l...
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Given two signals: $x(t)=u(t-2)-u(t-3)$, and $y(t)=e^{-4 t} u(t)$. If $z(t)=x(t) * y(t)$, then $Z(s)$ is $\_\_\_\_$.$\dfrac{e^{-3 s}\left[e^{s}-1\right]}{s(s+4)}$$\dfrac{...