Magnetism and Electromagnetism
Degaussing is the process of

Removal of magnetic impurities
Demagnetising metallic parts
Remagnetising metallic parts
Removing gases from the materials

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
In a simple magnetic field the strength of magnet flux

first increases and then decreases till it becomes zero
is constant and has same value in energy part of the magnetic field
increases continuously from initial value to final value
decreases continuously from initial value to final value

ANSWER DOWNLOAD EXAMIANS APP

Magnetism and Electromagnetism
The left hand rule correlates to

Current, induced e.m.f. and direction of force on a conductor
Self induction, mutual induction and direction of force on a conductor
Magnetic field, electric field and direction of force on a conductor
Current, magnetic field and direction of force on a conductor

ANSWER DOWNLOAD EXAMIANS APP