Why does a compass needle placed near a wire get deflected when electric current is passes through it?
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because an electric field is generated around the wire when current is passed through it
arunasurya:
thanks for the answer
most welcome dude
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The compass needle deflects when an electric wire passes through it. This shows electromagnetism. Oersted has proven/ shown with his experiment. He placed a magnetic compass beliw a 24 gauge wire placed on a slit in which electric current passes through it.
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