How one can test if the given substance is a good or poor conductor? Class 8
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A conduction tester is a device used to determine whether a substance is a good or bad conductor. Conduction tester using a torch bulb. A simple conduction tester has an electric cell and a torch bulb. If a material is a good conductor, the bulb glows and if it is a bad conductor the bulb does not glow.
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Answer:
A conduction tester is a device used to determine whether a substance is a good or bad conductor. Conduction tester using a torch bulb. A simple conduction tester has an electric cell and a torch bulb. ... If a material is a good conductor, the bulb glows and if it is a bad conductor the bulb does not glow.
Explanation:
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