Which one of the following devices does not function like an electric motor ?

Related Mcqs:

An open coil has_____________?

A. zero resistance and inductance B. infinite resistance and zero inductance C. infinite resistance and normal inductance D. zero resistance and high inductance...

Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is___________?

A. 5 mH B. 10 mH C. 5 H D. 10 H...

Weber is the unit of_____________?

A. Magnetic field intensity B. magnetic induction C. magnetic flux D. self-inductance...

The emf induced in a conductor of unit length moving with unit velocity at right angles to a magnetic field is equal to_____________?

A. Magnetic flux density B. Torque C. Mutual induction D. Motional emf...

A metal rod of 25 cm length is moving at a speed of 0.5/sec in direction perpendicular to 0.25T magnetic field. Emf produced in the rod is_____________?

A. 0 volt B. 3.125 volt C. 31.25 volt D. 0.03125 volt...