When a charge of amount Q is given to an isolated metal plate 'X' of surface area A, its surface charge density becomes σ 1 . When an isolated identical plate 'Y' is brought closer to X, the surface charge density on X becomes σ 2 . When Y is earthed, the surface charge density becomes σ 3 . Then –
A
σ 1 = 
B
σ 1 = 
C
σ 1 = σ 2
D
σ 3 = 
Text Solution
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(b, c)
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