Compare the magnetic field produced
by a solenoid with that of a bar
magnet, with the help of a diagram.
What type of core should be put
inside a current-carrying solenoid to
make an electromagnet?
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Explanation:
On comparing field lines produced by a solenoid with that produced by a bar magnet, we observe that they are very much identical. Thus, a solenoid acts as a bar magnet when current is passed through it.
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