In FM, frequency variation of the carrier wave depends upon the ___________ amplitude of the signal.

(a)

average

(b)

highest

(c)

constant

(d)

instantaneous

The change in the resting frequency of a FM transmitter is called ________

(a)

frequency swing

(b)

frequency deviation

(c)

range offrequency

(d)

centre deviation

FM signal has a resting frequency of 105 MHz and the highest frequency of 105.03 MHz when modulated by a signal. Then the carrier swing is ____________.

(a)

0.03 MHz

(b)

0.06 MHz

(c)

0.03 kHz

(d)

60 MHz

In FM, the centre frequency is allotted to the _________.

(a)

transformer

(b)

transmitter

(c)

receiver

(d)

channel

Noise is a form of __________ variation.

(a)

time

(b)

phase

(c)

amplitude

(d)

frequency