UP polytechnic Lecturer (EE) Paper-1 Quiz 44

Consider following statement NOT true in respect of IGBT.

Theoretical bandwidth requirement for FM system is:

A starting torque of 50 N-m is developed in a three-phase induction motor by an auto transformer starter with a tapping of 40%. If the tapping of auto transformer starter is 60%, then starting torque will be _______.

The Boolean expression simplifies to

In a step down chopper, for eliminating third harmonic from the output voltage waveform, the ripple factor should be equal to

The ability of a material to remain magnetized after removal of the magnetizing force is known as

Which of the following techniques is different from others?

In a shaded pole motor, shading coil is used to