Question

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

Answer 1

the no. of turns regulates the force of attraction
so, sunil's electromagnet will attract more pins

Answer 2

Sunil's electromagnet will attract more as no of turns are more in his electromagnet which increases the flow of electricity