A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by________________?

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...

Which of the following circuit elements will oppose the change in circuit current ?

A. Capacitance B. Inductance C. Resistance D. All of the above...

A.C cannot be used for_______________?

A. producing heat B. producing light C. magnetizing and electroplating D. all the above...

The emf induced in a coil by a changing magnetic flux may have unit as______________?

A. ms-1A B. ms-2A-1 C. kgms2A-1 D. kgm2s-1A-1...

Non inductive resistances are used in decreasing______________?

A. Mutual inductance B. Self inductance C. Magnetic fields D. Heating effect...