Communication — Easy JEE physics MCQ
An audio signal of amplitude $3$ V modulates a carrier of amplitude $15$ V. The modulation index is:
- A. $0.2$
- B. $5$
- C. $0.5$
- D. $0.3$
Solution
$\mu = \frac{A_m}{A_c} = \frac{3}{15} = 0.2$
PHYSICS
easy • PYQ Reworded
Question
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An audio signal of amplitude V modulates a carrier of amplitude V. The modulation index is:
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