AB is thick copper wire . When electric current is ' I ' flows through the wire what change is observed in the compass needle 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.
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the compass was moving round and round because of electricity passes through the wire they produce electctromagnet power
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Explanation:
The electrical conductivity og the wiring flies that change is observed to the compass needle near the wire is reversed ... !! ...
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