An audio signal of amplitude 0.1 V is used in AM of a carrier wave of amplitude 0.2 V. Calculate the modulation index.
Answer & explanation
Correct answer: option 4
Modulation Index : \(\mu\) = \(\frac{A_{m}}{A_{c}}\)
= \(\frac{0.1}{0.2}\)
= 0.5
An audio signal of amplitude 0.1 V is used in AM of a carrier wave of amplitude 0.2 V. Calculate the modulation index.
Correct answer: option 4
Modulation Index : \(\mu\) = \(\frac{A_{m}}{A_{c}}\)
= \(\frac{0.1}{0.2}\)
= 0.5