The out put voltage of a transformer is 3 times the input voltage then turns ratio will be________________?
Magnetic compass needle will be deflecting if it is kept near________________?
A.C can not be used for_______________?
A small coil lies inside a large coil. The two coils are horizontal concentric and carry currents in opposite directions. The large coil will experience______________?
The emf induced in a conductor of unit length moving with unit velocity at right angles to a magnetic field is equal to_____________?
The emf induced in a coil by a changing magnetic flux may have unit as______________?
Power loss in actual transformer is due to_________________?
A.C and D.C have the same______________?
If the secondary coil has Ns turns and the primary Np turns the relation between secondary and primary voltages is given by_____________?
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_____________?
