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Select the correct option in Questions 1 and 2.Which of the following cannot be charged easily by friction?(a) A plastic scale(b) A copper rod(c) An inflated balloon(d) Awoollen cloth.When a glass rod is rubbed with a piece of silk cloth the rodfa) and the cloth both acquire positive charge.b) becomes positively charged while the cloth has a negative charge.(c) and the cloth both acquire negative charge.(a becomes negatively charged while the cloth has a positive charge.Write T against true and F against false in the following statements.(a) Like charges attract each other (T/F)fb) 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). |
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Answer» Explanation: an INFLATED balloon glass ROD BECOMES positively charged and the cloth becomes NEGATIVELY true false true true |
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