## Magnetism and Electromagnetism A keeper is used to

Restore lost flux
Change the direction of magnetic lines
Provide a closed path for flux
Amplify flux

100 N
0.1 N
10 N
0.01 N

## Magnetism and Electromagnetism Degaussing is the process of

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

## Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to

Product of current in two conductors
Current in one conductor
Distance between the conductors

## Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true?

The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point
Unit field intensity in the exertion of a force of one newton on a charge of one coulomb
An electric field is defined as a point in space at which an electric charge would experience a force
The electric intensity is a vector quantity

2.4 N
24 N
0.24 N
240 N