Which of the following correctly explains why soft iron is prefered to steel in electromagnets?

i. soft iron is more readily magnetized than steel.
ii. soft iron is more readily demagnetized than steel.
iii. soft iron retains magnetism more than steel.

Similar Questions

A note of frequency 2000Hz has a velocity of 400 ms-1. calculate the wavelength of the note...

A parallel plate capacitor is charged and the charging battery is subsequently disconnected. lf...

A very sensitive spring balance was used to determine the weight of an object at the north pole. Whe...

Given that v, f and \(\lambda\) are the velocity, frequency and wavelength of a wave respectively. W...

If the force of a charge of 0.2 coulomb in an electric field is 4N, then the electric field intensit...

When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is...

The frequency of beats produced when two tunning forks of frequencies 258Hz and 270Hz are sounded cl...

Which of the following statements about wave is not correct? i. A wavefront is a line which conta...

A stone is dropped from the top of a tower of height 11 .25m. Calculate the time it will take to rea...

A spring balance,which is suspended from the roof of a lift, carries a mass of 1kg at its free end. ...