Official PYQ · 2015Set 2 · Q5Continuous-time SignalsMCQ1 mark

GATE EC 2015 Set 2 Q5 — Continuous-time Signals

The magnitude and phase of the complex Fourier series coefficients ܽ $a_{k}$ of a periodic signal $x(t)$ are shown in the figure. Choose the correct statement from the four choices given. Notation: $C$ is the set of complex numbers, ܴ $R$ is the set of purely real numbers, and $P$ ܲis the set of purely imaginary numbers.

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Answer: A

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Published 10 Oct 2026

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