Amplitude of the carrier is kept constant

Change occurs in carrier frequency

Amplitude is varied according to the instantaneous value of modulating wave

None of these

Lower frequency gives better stability

It gives linear out put

Less stages are used

More stages are used

No load

part load

Full load

Over load

Common emitter

Common base

Common collector

SCR

Shaft revolving in a bearing

Straight line motion mechanisms

Automobile steering gear

All of the above