Physics · Oct / Nov 2021 · Paper 41 · Question 7
0625
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The question as text
A plastic rod becomes negatively charged when it is rubbed with a woollen cloth.
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7(a)[2]
electrons mentioned
negative charges / electrons move from cloth or move to rod
7(b)(i)[3]
electrons / negative charge(s) repelled to earth or ball charged by induction
ball positively charged
opposite charges attract
7(b)(ii)[2]
negatively charged (by rod)
or
ball discharges / becomes neutral
repelled by rod
or
pulled down by gravity / its weight
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