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Magnetic Effect of Current — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMagnetic Effect of Current2 Marks
Question
State two advantages of an electromagnet over a permanent magnet.
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Answer

1. An electromagnet can produce a strong magnetic field.
2. The strength of the magnetic field of an electromagnet can easily be changed by changing the current in its solenoid.

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