Question
Explain electromagnet with a diagram. [5 MARKS]
Answer:
:
Explanation: 3 Marks
Diagram: 2 Marks
An electromagnet is a soft iron core made into a magnet by the passage of electric current through a coil surrounding it. The coil in the above activity behaves like a magnet when electric current flows through it. When the electric current is switched off, the coil generally loses its magnetism. Such coils are called electromagnets. The electromagnets can be made very strong and can be used to lift very heavy loads.
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:
Explanation: 3 Marks
Diagram: 2 Marks
An electromagnet is a soft iron core made into a magnet by the passage of electric current through a coil surrounding it. The coil in the above activity behaves like a magnet when electric current flows through it. When the electric current is switched off, the coil generally loses its magnetism. Such coils are called electromagnets. The electromagnets can be made very strong and can be used to lift very heavy loads.
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