NEET UG PHYSICS MCQ: COMMUNICATION SYSTEMS

1 Easy

1 of 1

Application +4 | -1

In AM modulation, a signal is modulated on a carrier wave such that maximum and minimum amplitudes are found to be

6 \mathrm{~V}

and

2 \mathrm{~V}

respectively. The modulation index is

View answer and explanation

Correct option: D

0.5

Option D (0.5) is correct because the modulation index is calculated as (Amax - Amin) / (Amax + Amin).

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60 \mathrm{~V}

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\left( {{m_a}} \right)

{{\text{E}}_{{\text{max}}}}\,{\text{and}}\,{{\text{E}}_{{\text{min}}}}