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When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
The deflection in magnetic needle shows that the circuit is complete and the solution conducts electricity, i.e., it is a good conductor.

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