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The following table has 3 columns and 4 rows. Based on table there are THREE questions. Each question has FOUR options (A) , (B) , ( C) and (D) . ONLY ONE of these four options is correct The combination that corresponds to minimum induced emf in rod is |
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Answer» (III) (ii) (S) `epsilon = int_(0)^( R) (mu_(0)i)/(2pi(R+rcos THETA)) XX( omegar ) dr` Find `epsilon ` for different `theta` Electric field at mid point = `(depsilon )/(dr) = B ( omega (R )/(2))` Here `B =(mu_(0)i)/(2pi(R+rcos theta))+(mu_(0)r)/(2pi(2R-r cos theta))` 
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