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electronics and communication engineering power electronics
1. Assertion (A): A class C chopper can operate in first and second quadrants Reason (R): A class B chopper operates only in second quadrant.
(A): A is correct but R is wrong
(B): A is wrong but R is correct
(C): Both A and R are correct and R is correct explanation of A
(D): Both A and R correct but R is not correct explanation of A
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