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Write T against true and F against false in the following statements:

Like charges attract each other.


A. FALSE
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The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.


Carrying an umbrella during the thunderstorm is not a safe thing. During thunderstorms accompanied with lightning, electric discharge from the clouds can travel through the metallic rod of the umbrella, and may give an electric shock to the person who is carrying the umbrella.

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Write T against true and F against false in the following statements:

A charged glass rod attract a charged plastic straw.


A. TRUE
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Which of the following cannot be charged easily by friction?

  • A copper rod

  • A plastic scale

  • An inflated balloon

  • A woollen cloth.


A.

A copper rod

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When a glass rod is rubbed with a piece of silk cloth the rod

  • and the cloth both acquire positive charge.

  • becomes positively charged while the cloth has a negative charge.

  • and the cloth both acquire negative charge.

  • becomes negatively charged while the cloth has a positive charge.


B.

becomes positively charged while the cloth has a negative charge.

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