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Question
When an electric current flows through a copper wire AB as shown in Figure14.1, the wire
Options
deflects a magnetic needle placed near it.
becomes red hot.
gives electric shock.
behaves like a fuse
Solution
deflects a magnetic needle placed near it.
Explanation:
A current-carrying wire acts as a magnet with a magnetic field around it, the strength of which depends upon the amount of current passing through it.
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