Questions
The modulation index is 0.75. The useful power available in the side bands nearby
a
11 %
b
22 %
c
33 %
d
44 %
detailed solution
Correct option is B
Given : m=0.75 Use, PSPT×100=m22+m2×100 =0.7522+0.752×100 = 0.219×100 i.e 22%Talk to our academic expert!
Similar Questions
A message signal of frequency 10 kHz and peak voltage of 10 volts is used to modulate a carrier of frequency 1 MHz and peak voltage of 20 volts. The side bands are 1010 kHz and______________kHz.
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