Question

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

Answer 1

the electromagnet of Sunail will attract more pins

Answer 2

The wire with 100 turns because
The strength of magnetic field of a solenoid increases with the increase in number of turns as the strength of each turn is added up and gives the net magnetic field strength