A student is making an electric circuit to light a bulb. He needs a battery, connecting wires, switch, and a bulb, as shown.
He tried with different materials to connect the battery, switch, and the bulb. Now observed in which case the bulb glows or light up.
On the basis of his observation, which material is a good conductor of electricity?
(a) Wool (b) Copper (c) Rubber (d) Plastic
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Answer:
B) Copper
Explanation:
Copper is one of the metals and metal is conductor of electric current. While wool, rubber, plastic are insulator.
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