When the free end of conductivity tester made up by using battery connected to a wire wound around a compass are dipped into solution the magnetic needle show deflection can you give the reason for this deflection
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when ➕ and ➕ or negative and negative meet they deflect each other
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The deflection in the compass needle shows that current is flowing through the wounded wire and hence, through the circuit. The circuit is 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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