The aerial current of an AM transmitter is 18 A when unmodulated but i – McqOptions

MCQOPTIONS

1.	The aerial current of an AM transmitter is 18 A when unmodulated but increases to 20 A when modulated. The modulation index is
A.	0.68
B.	0.73
C.	0.89
D.	0.95
Answer» B. 0.73

Discussion

No Comment Found

Related MCQs

A 10 kW carrier is sinusoidally modulated by two carriers corresponding to a modulation index of 30% and 40% respectively. The total radiated power is
A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3. The resultant modulation index will be
A 2 MHz carrier is amplitude modulated by a 500 Hz modulating signal to a depth of 70%. If the unmodulated carrier power is 2 kW, the power of the modulated signal is
The aerial current of an AM transmitter is 18 A when unmodulated but increases to 20 A when modulated. The modulation index is
An AM signal is represented by x(t) = (20 + 4sin(500 t)) cos(2 t x 10<sup>5</sup>)V. What is the total sideband power?
An AM signal is represented by x(t) = (20 + 4sin(500 t)) cos(2 t x 10<sup>5</sup>)V. What is the total signal power?
An AM signal is represented by x(t) = (20 + 4sin(500 t)) cos(2 t x 10<sup>5</sup>)V. What is the modulation index?