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Moving a charge from point A, where the potential is 400V , to point B, where the potential is 190V , takes 5.0�10?4J of work.

1. What is the value of the charge?

Express your answer using two significant figures
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Added Mon, 03 Aug '15
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W = q x delta V
=>q = W/delta V
=>q = [5 x 10^-4]/[400-190]
=>q =2.38 x 10^-6 C
==>q=2.381 micro C
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Added Mon, 03 Aug '15
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