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How is an Electromagnet Made? Name Two Factors on Which the Strength of Magnetic Field of the Electromagnet Depends. - Physics

Short Note

How is an electromagnet made? Name two factors on which the strength of magnetic field of the electromagnet depends.

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Solution

An electromagnet is made by winding an insulated copper wire around a soft iron core either in the shape of a solenoid or U-shape.

The strength of magnetic field of an electromagnet depends on:

  1. The number of turns of wire wound around the coil, and
  2. The amount of current flowing through the wire.
Concept: Uses of Electromagnet
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APPEARS IN

Selina Concise Physics Class 9 ICSE
Chapter 10 Magnetism
Exercise 10 (B) | Q 3 | Page 211
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