Communication Systems
In a TV receiver antenna the length of reflector rod

Is less than that of dipole
Is more than that of dipole
Is the same as that of dipole
May be equal, more or less than that of dipole

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
DVD uses

Laser beam for recording and video head for playback
Laser beam for both recording and playback
None of these
Video head for recording and laser beam for playback

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation.

Both A and R are correct and R is correct explanation of A
A is wrong but R is correct
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong

ANSWER DOWNLOAD EXAMIANS APP