Question

rohan made an electromagnet by winding 50 turn of wire, over an iron screw rishi also made an electro magnet by winding 100 turns over a similar iron screw which electro magnet will attract more pins give reason

Answer 1

the electromagnet having 100 this will attract more pins.As the magnetic field in a coil is directly proportional to the number of turn in a coil.Thus as the no of turns increase the strength of the magnetic field will also increase .Therefore rishi's electromagnet in this case will attract more no of pins....

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Answer 2

Explanation:

An electromagnet with 100 turns is more powerful. The strength of an

electromagnet increases with increase in number of turns of wire over an iron

screw.