railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Amplitude Modulation Conventional Amplitude Modulation
What is the value of modulation index and maximum frequency deviation for a FM signal, v(t) = 20 cos(25 × 108 t + 10sin 1450t)?
1
10, 2307.9 Hz
2
20, 1450.9 Hz
3
10, 2000.0 Hz
4
10, 2409.9 Hz