An electron is liberated from the lower of two large parallel metal plates separated by a distance …

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An electron is liberated from the lower of two large parallel metal plates separated by a distance of 20 mm. The upper plate has a potential of 2400 V relative to the lower. How long does the electron take to reach the upper plate? 5.4 ns 0.24 ns 0.14 ns 4.4 ns 3.4 ns

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