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State Two Ways by Which the Strength of Magnetic Field of an Electromagnet Can Be Increased ? - Physics

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Question

State two ways by which the strength of magnetic field of an electromagnet can be increased ?

Solution

The magnetic field of the electromagnet can be increase in the following two ways :

  1.  By inserting a rod of soft iron or steel inside the cylindrical tube. This rod is called the core.
  2.  By increasing the total number of turns of the coil.
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APPEARS IN

 Selina Solution for Concise Physics - Middle School for Class 7 ICSE (2018 (Latest))
Chapter 7: Electricity and Magnetism
Short/Long Answer Questions | Q: 15
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State Two Ways by Which the Strength of Magnetic Field of an Electromagnet Can Be Increased ? Concept: Electromagnetism, Electromagnets and Their Applications- Electric Bell.
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