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  • Write T against true and F against false in the following statements. (a) Like charges attract each other (b) A charged glass rod attract a charged plastic straw (c) Lightning conductor cannot protect a building from lightning

3. Write T against true and F against false in the following statements.

(a) Like charges attract each other (T/F)
(b) A charged glass rod attract a charged plastic straw (T/F)
(c) Lightning conductor cannot protect a building from lightning (T/F)
(d) Earthquakes can be predicted in advance (T/F)

Answers (1)

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(a) False, like charges, repel each other and unlike charges attract each other.

(b) True, a charged glass rod is positively charged while a charged plastic straw is negatively charged.

(c) False, lightning conductor rod provides an easy route for the transfer of electric charge to the ground hence is used to protect buildings from the effect of lightning.

(d) False, prediction of the earthquake in advance has not been yet invented but we can determine the magnitude of the earthquake.  

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Divya Prakash Singh

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