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When only carrier is transmitted antenna current observed is 8 A when it is modulated with 500 Hz sine wave antenna current becomes 9.6 A. The percentage of modulation is
detailed solution
Correct option is C
We know that, PtPc = 1+μ22 ⇒it2ic2 = 1+μ22 ⇒itic=1+μ22 ⇒89.6=1+μ22 ⇒μ=2225 = 0.938 In percentage, 93.8 %Talk to our academic expert!
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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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