railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Amplitude Modulation

A modulating signal consists of a symmetrical triangular wave having zero DC component and peak-to-peak voltage of 11 V. It is used to modulate a carrier with the peak voltage of 10 V. Calculate the modulation index.

1

0.55

2

0.28

3

0.14

4

0.05

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