prepare a tester to test conduction based on magnetic effect of electricity
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Take the tray from inside a discarded matches.Wrap an electric wire a few times around the tray.Place a small compass needle inside it.Now connect one free ends of wire to the terminal of a battery.Leave the other end free.Take another piece of wire and connect it to the other terminal of the battery.Join the free ends of two wires momentorily.The compass needle should show deflection.Tester with two ends of the wire is ready
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Explanation:
Prepare a tester to test conduction based on magnetic effect of the electricity.
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