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Multiple Choice Questions
1. Assertion (A): In ionic dielectrics, P = Pe + Pi.Reason (R): In ionic crystals, permanent electric dipole moment is zero.
(A): Both A and R are true and R is correct explanation of A
(B): Both A and R are true but R is not correct explanation of A
(C): A is true but R is false
(D): A is false but R is true
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