A conduction tester is made by a bulb. But it does not detect weak current. How can we make another tester which can detect weak current
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2 A conduction tester is a device used to determine whether a substance is a good or poor conductor of electricity. a) Conduction tester using a torch bulb :- A simple conduction tester has an electric cell and a torch bulb. One terminal of the cell is connected to one terminal of the bulb by a wire.
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A conduction tester is a device used to determine whether a substance is a good or poor conductor of electricity
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