The amplitude of 15 sin(1000πt) is modulated by 10 sin(4πt) signal. The amplitude modulated signal contains frequency(ies) of: A. 500 Hz B. 2 Hz C. 250 Hz D. 498 Hz E. 502 Hz Choose the correct answer from the options given below:
Options

Question

The amplitude of 15 sin(1000πt) is modulated by 10 sin(4πt) signal. The amplitude modulated signal contains frequency(ies) of: A. 500 Hz B. 2 Hz C. 250 Hz D. 498 Hz E. 502 Hz Choose the correct answer from the options given below:

Options

G1 Physics · Accepted Answer

Carrier frequency f(c) = 1000π/(2π) = 500 Hz and modulating frequency f(m) = 4π/(2π) = 2 Hz. AM contains f(c), f(c)−f(m), and f(c)+f(m): 500 Hz, 498 Hz and 502 Hz.