Two concentric shells A and B of radii a and b are given charged $q_{A}$ and $A_{B}$ .
(a) Find the potential difference between the shells.
(b) What happens when they are connected by means of a conducting wire.

k q_{A} (\frac{1}{a} - \frac{1}{b})

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k q_{A} (\frac{1}{b} - \frac{1}{a})

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2 k q_{A} (\frac{1}{a} - \frac{1}{b})

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k q_{A} (\frac{1}{a})

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Solution

The correct option is A $k q_{A} (\frac{1}{a} - \frac{1}{b})$

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