railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Fourier Series Forms of Fourier Series

A 33.33% duty cycle rectangular wave is fed to the input of a Spectrum Analyzer. What will be observed?

1

2^nd, 5^th, 8^th .... harmonics missing

2

3^rd, 6^th, 9^th .... harmonics missing

3

1^st, 4^th, 7^th .... harmonics missing

4

All the harmonic present

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