Electromagnetic Field Theory
In order to minimize loss due to hysteresis the magnetic material should have

 high hysteresis coefficient.
 small B-H loop area.
 high resistivity.
 large coercivity.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The wave in wave guide has

Larger wavelength than in the free space
Diminishing wavelength than in the free space
Larger frequency than in the free space
Group velocity inversely proportional to wavelength

ANSWER DOWNLOAD EXAMIANS APP