Physics · Communication Systems
If the maximum and minimum voltages of an amplitude modulated (A.M.) wave are V max and V min respectively, then the modulation index 'm' is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(V max × V min ) / (V max - V min )
- 22 V max V min / (V max + V min )
- 3(V max - V min ) / (V max + V min )✓
- 4(V max + V min ) / (V max - V min )
Correct answer
(V max - V min ) / (V max + V min )
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