1.
Those magnetic materials are best suited for making armature and transformer cores which have ________ permeability and ________ hystersis loss
2.
A material for good magnetic memory should have____________?
3.
If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be____________?
4.
The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V is__________Vs
5.
The rate of rise of current through an inductive coil is maximum_____________?
6.
Permanent magnets are normally made of_____________?
7.
The unit of magnetic flux is______________?
8.
Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it___________?
9.
An air gap is usually inserted in magnetic circuits to____________?
10.
In a magnetic material hysteresis loss takes place primarily due to___________?
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