AB is a thick copper wire. When electric current T flows through the wire, what is the change observed in the compass needle placed near the wire? Give reason for this observation. State the change that would be observed if the direction of electric current in the wire is reversed
CBSE Class X Science SA 1 ( 2 marks)
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The compass needle will show deflection due to production of magnetic field around wire. If the direction of current is reversed then the direction of magnetic field will also reverse.
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