Question

how can you test or check if a substance is a conductor or insulator ​

Answer 1

Answer:

The simplest test is heat the the given substance (solid of any shape) on one end,after a while check the temperature on the other end. If it measures more than room temperature then the given substance is conductor of heat, then it conducts electricity also, otherwise it is electrically insulato

Explanation:

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Answer 2

Answer:

HEY MATE

HERE'S YOUR ANSWER

Touch the open ends of the two wires to each other to form a circuit and test the bulb. Touch the two open ends of the wire to each material you are testing, one at a time. If the bulb lights up, it is a good conductor. If it doesn't, it is a good insulator.

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