Consider two concentric spherical metal shells of radii r₁ and r₂( r₂>r₁). If the outer shell has a charge q and the inner one is grounded, then the charge on the inner shell is

Options

(a) (-r₂/r₁ q)
(b) zero
(c) (-r₁/r₂ q)
(d) (-q)

Correct Answer:

(-r₁/r₂ q)

Explanation:

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