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electronics and communication engineering materials and components
1. Assertion (A): Ferrites are very useful at very high frequencies.Reason (R): Ferrites have high permeability and high resistivity.
(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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