Two electromagnets are made by wrapping a few turns of wire on similar nails and passing the same amount of electric current through them. The number of turn of the wire wrapped over the two iron nails are in the ratio of 2 : 1. The strength of

the first electromagnet will be greater

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the second electromagnet will be greater

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both the electromagnet will be equal

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electromagnet has no relation with the number of turns.

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Solution

The correct option is A the first electromagnet will be greater
The strength of electromagnet increases with increase in number of turns of the wire wrapped over the nail and the current passing through them.

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Two electromagnets are made by wrapping a few turns of wire on similar nails and passing the same amount of electric current through them. The number of turn of the wire wrapped over the two iron nails are in the ratio of 2 : 1. The strength of

The correct option is A the first electromagnet will be greaterThe strength of electromagnet increases with increase in number of turns of the wire wrapped over the nail and the current passing through them.

The correct option is A the first electromagnet will be greater
The strength of electromagnet increases with increase in number of turns of the wire wrapped over the nail and the current passing through them.