CUET · PHYSICS · PYQ PAPER 2023
The maximum and minimum amplitudes of a modulated carrier wave are 1000 mV and 200 mV respectively, the modulation index is
- A \(\frac{3}{4}\)
- B \(\frac{2}{3}\)
- C \(\frac{5}{4}\)
- D \(\frac{5}{3}\)
Answer & Solution
Correct Answer
(B) \(\frac{2}{3}\)
Step-by-step Solution
Detailed explanation
\(\mu = \frac{A_{max} - A_{min}}{A_{max} + A_{min}}\) \(\mu = \frac{1000 - 200}{1000 + 200} = \frac{800}{1200} = \frac{2}{3}\)
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