Question

Raju made an electro magnet by winding 50 of wire over an iron screw. Rohit also made an electromagnet by winding 100 turns over a similar iron screw. Which electromagnet will attract more pins? Give reason.

Answer 1

The wire having the 100 turns will attract more pins.

Because it will create stronger magnetic field than the first.

Answer 2

The one made by Rohit will attract more pins as the electric current passing through it is more,the one made by raju will attract less pins compared to the one made by rohit