What can you say about the strength of an electromagnet, if the number of turns of the coil is decreased?

We get a weaker electromagnet.

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We get a stronger electromagnet.

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The strength depends on the insulated wire.

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It can’t be determined.

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Solution

The correct option is A We get a weaker electromagnet.
A strong electromagnet will be obtained on increasing the number of turns in its coil and on decreasing the number of turns, a weaker electromagnet is obtained.

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Q. How do you measure the relative strength of a magnetic field of an electromagnetic coil?

What is an electromagnet ? Name two factors on which the strength of magnetic field of an electro-magnet depends and state how does it depend on the factors stated by you.

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What can you say about the strength of an electromagnet, if the number of turns of the coil is decreased?

The correct option is A We get a weaker electromagnet.A strong electromagnet will be obtained on increasing the number of turns in its coil and on decreasing the number of turns, a weaker electromagnet is obtained.

The correct option is A We get a weaker electromagnet.
A strong electromagnet will be obtained on increasing the number of turns in its coil and on decreasing the number of turns, a weaker electromagnet is obtained.