If current in a conductor increases then according to Lenz’s law self-induced voltage will____________?

Related Mcqs:

In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will_____________?

A. increase B. decrease C. remain the same D. initially increase and then decrease...

A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly______________?

A. 50 N B. 120 N C. 240 N D. 480 N...

The practical illustration of the phenomenon of mutual induction is____________?

A. A.C generator B. D.C dynamo C. induction coil D. transformer...

Power loss in actual transformer is due to_________________?

A. Small output B. Eddy currents and magnetic hysterias C. Soft iron core D. Back emf...

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

A. Galvanometer B. Ammeter C. Voltmeter D. Transformer...