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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Solution

An electromagnet is a temporary strong magnet made from a piece of soft iron when current flows in the coil wound around it. It is an artificial magnet.

The strength of magnetic field of an electromagnet depends on:

Number of turns: The strength of magnetic increases on increasing the number of turns of the winding.

Current: The strength of magnetic field increases on increasing the current through the solenoid.

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Electromagnetism and Electromagnet

Standard X Physics

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