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

Q2. When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

Answers (1)
S Sayak

The magnetic needle shows deflection and therefore current must be flowing through the circuit. The circuit is complete and therefore the solution is electrically conducting due to the presence of charged particles called ions.

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