Question

Rohan made an Electromagnet by vice president of wire over all screen receiver also made an Electromagnet winding 50 turns of wire over an iron screw .Rishi made an electromagnet by winding 100turns over a similar iron screw.which electro magnet will attract more pins? give reason.

Answer 1

rishi's magnet would attract more pins becoz this elctromagnet would acquire mire magnetic strength than the other.

Answer 2

Rishi's magnet as it has more no. of turns which will increase the magnetic strength .