Question No : 29
A substance that attracts pieces iron
Question No : 30
The phenomenon by which a subtracts pieces of iron
Question No : 31
Which of the following is a natural magnet?
Question No : 32
Define as that pole which when placed in air from a similar and equal pole repels it with a force of newtons
Question No : 33
The point in a magnet where the intensity of magnetic lines of force is maximum
Question No : 34
The straight line passing through the two poles of magnet is called
Question No : 35
The branch of Engineering which deals with the magnetic effect of electric current is known as