Q29.The modulation index for an A.M. wave having maximum and minimum peak to peak voltages of 14 mV and 6 mV respectively is : (1) 1. 4 (2) 0. 4 (3) 0. 2 (4) 0. 6
What This Question Tests
This question is a direct application of the formula for the modulation index in an AM wave, given the maximum and minimum peak-to-peak voltages.
Concepts Tested
Formulas Used
μ = (Vmax - Vmin) / (Vmax + Vmin)
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📋 Question Details
- Chapter
- Communication Systems
- Topic
- Amplitude Modulation (AM)
- Year
- 2023
- Shift
- 29 Jan Shift 2
- Q Number
- Q29
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 15: Communication Systems
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