5) The force acting between two magnetic poles is :

directly proportional to the distance

inversely proportional to the distance

directly proportional to the square of the distance

inversely proportional to the square of the distance

Answer is:

inversely proportional to the square of the distance

conductance

resistance

reluctance

none of the above

Answer is:

strength of a magnet

strength of an electromagnet

magnetisation remained in an iron bar on withdrawal of the magnetising force

the conductivity of a magnetic material for the magnetic lines of force

Answer is:

Carbon steel

Platinum cobalt

ALNICO-V

All of these

Answer is:

flux

type of material

type of magnetising force

nothing

Answer is: