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1. Assertion (A): If an atom of polarizability a is placed in homogeneous field E, the energy stored is 0.5 a E2.Reason (R): Capacitance of an isolated conducting sphere R in vacuum is 4 p ∈0 R farads.
(A): A is false but R is true
(B): A is true but R is false
(C): Both A and R are true and R is correct explanation of A
(D): Both A and R are true but R is not correct explanation of A
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