Give an activity to examine the behaviour of the following solid materials towards electricity: plastic, copper, rubber, wood, graphite.
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● Take a torch bulb and connect its positive terminal to the positive terminal of the battery and negative terminal to the object to be tested.
● Connect the negative terminal of the battery to the object with a wire.
● Do not touch the object when the current is passing through it.
● If the bulb glows, then the material is conducting else not.
We see that graphite and copper conduct electricity whereas rubber, plastic and wood do not.
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simple electric circuit will be okay :D.
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