Difference Between Electromagnets and Permanent Magnets
The strength ...
Question
The strength of the magnetic field generated by an electromagnet is proportional to the amount of .
A
current flowing
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B
heat generated
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C
material used
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Solution
The correct option is A current flowing When an electric current is passed through a conductor, a magnetic field is generated. This is the working principle of an electromagnet. The strength of an electromagnet can be changed by changing the magnitude of current flowing through it.