State two ways by which the strength of magnetic field of an electromagnet can be increased ?
The magnetic field of the electromagnet can be increase in the following two ways :
- By inserting a rod of soft iron or steel inside the cylindrical tube. This rod is called the core.
- By increasing the total number of turns of the coil.
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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.