When the free ends of a tester are dipoed into a solution , thr magnetic needle shows deflection. Can you explain the reason ?
When the free ends of a tester are dipoed into a solution , thr magnetic needle shows deflection. Can you explain the reason ?
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Explanation:
The deflection occurs because the circuit becomes complete since free ends of the tester are dipped in a solution. The solution is certainly a conducting solution. This is the reason why the compass needle shows a deflection.
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