NEET UG PHYSICS MCQ: COMMUNICATION SYSTEMS

1 Easy

1 of 1

Application +4 | -1

Find the modulation index of an AM wave having 8

\mathrm{V}

variation where maximum amplitude of the AM wave is

9 \mathrm{~V}

View answer and explanation

Correct option: A

0.8

Option A (0.8) is correct because the modulation index is calculated as variation/ (2 * A_carrier), where A_carrier is A_max - variation/2.

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