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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?
Given:
The magnetic needle shows deflection when the free ends of a tester are dipped into a solution.
To do:
We have to explain the reason.
Solution:
When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. This deflection shows that the circuit is complete and the solution is a good conductor of electricity.
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