GATE2016-36

Question

For the periodic signal $x(t)$ shown below with period $T=8s$, the power in the 10^th harmonic is __________.

• A. $0$
• B. $\frac{1}{2} \left (\frac{2}{10\pi} \right)^2$
• C. $\frac{1}{2} \left (\frac{4}{10\pi} \right)^2$
• D. $\frac{1}{2} \left (\frac{4}{5\pi} \right)^2$