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[" 3.A simple pendulum of period "T" has...

[" 3.A simple pendulum of period "T" has a metal bob which is "],[" negatively charged.If it is allowed to oscillate above a "],[" positively charged metal plate,its period will "],[[" (a) remain equal to "T," (b) less than "T],[" (c) greater than "T," (d) infinite "]]

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