A long straight wire is parallel to one edge of a rectangular loop as shown in figure-5.310. if the current in the long wire varies with time as `I=I_(0)e^(-tr)`, what will be the induced emf in the loop at t=`tau`? A. `(mu_(0)bI)/(pitau)In((d+a)/(d))`B. `(mu_(0)bI)/(2pitau)In((d+a)/(d))`C. `(2mu_(0)bI)/(pitau)In("(d+a)/(d))`D. `(mu_(0)bI)/(pitau)In((d)/(d+a))`

A long straight wire is parallel to one edge of a rectangular loop as

1.	A long straight wire is parallel to one edge of a rectangular loop as shown in figure-5.310. if the current in the long wire varies with time as `I=I_(0)e^(-tr)`, what will be the induced emf in the loop at t=`tau`? A. `(mu_(0)bI)/(pitau)In((d+a)/(d))`B. `(mu_(0)bI)/(2pitau)In((d+a)/(d))`C. `(2mu_(0)bI)/(pitau)In("(d+a)/(d))`D. `(mu_(0)bI)/(pitau)In((d)/(d+a))`
Answer» Correct Answer - C

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