Electromagnetic induction
Air-core coils are practically free from

None of the listed here
Eddy current losses
Both Hysteresis losses & Eddy current losses
Hysteresis losses

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
An open coil has

Infinite resistance and zero inductance
Zero resistance and inductance
Zero resistance and high inductance
Infinite resistance and normal inductance

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The inductance of a coil will increase under all the following conditions except

When more area for each turn is provided
When the number of turns of the coil increase
When permeability of the core increases
When more length for the same number of turns is provided

ANSWER DOWNLOAD EXAMIANS APP