Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 7 (Q.No. 29)
29.
Which of the following periodic waveforms will have only odd harmonics of sinusoidal waveform?




Select the correct option using the codes given below Codes:
1 and 2
1 and 3
1 and 4
2 and 4
Answer: Option
Explanation:

The conditions for a signal s(t) to have odd harmonics of sinusoidal waveforms alone are given by

(i) , where T is the period and

(ii) s(t) = - s(t) [i.e., odd function]

The waveforms (1) and (2) satisfy condition (b).

Discussion:
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