An isolated conducting sphere has a \( 20 \mathrm{~cm} \) radius. One wire carries a current of ...

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An isolated conducting sphere has a \( 20 \mathrm{~cm} \) radius. One wire carries a current of \( 1.0000020 \mathrm{~A} \) into it. Another wire carries a current of \( 1.0000000 \mathrm{~A} \) out of it. How long would it take for the sphere to increase in potential by \( 1000 \mathrm{~V} ? \)
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