PDF chapter test TRY NOW
Give brief answers to the following questions:
1. In the below figure you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the bases of this fact.
(a). __________ () is a metal.
(b). Metals are good __________ () of electricity.
2. If in the above figure iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
, the bulb will not glow. It is because wood is a non-conductor of .
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