Question

5. What happens when a part of an electromagnet is disconnected?
A i loses its magnetism.
B. Electricity continues to flow through it.
C. The electromagnet becomes a permanent magnet.
D. There is an increase in the number of materials attracted.​

Answer 1

Answer:

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The electromagnet becomes a permanent magnet

Explanation:

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Answer 2

When a part of an electromagnet is disconnected, it loses its magnetism. (Option A)

• An electromagnet does not behave like a permanent magnet.
• It requires an electric current to exhibit magnetic properties.
• So, when the electromagnet is disconnected from the current supply, it loses its magnetism.
• Disconnection stops the current flow. Option B is wrong.
• An electromagnet requires an electric current to behave like a permanent magnet. Option C is wrong.
• The strength of the attraction of the electromagnet depends on current flow, if there is no current flow, it cannot attract any material. Option D is wrong.