A conducting bar moves on two conducting rails as shown in the figure. A constant magnetic field B exists into the page. The bar starts to move from the vertex at time t=0 with a constant velocity. If the induced EMF is E t ^ n , then value

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A conducting bar moves on two conducting rails as shown in the figure. A constant magnetic field B exists into the page. The bar starts to move from the vertex at time t=0 with a constant velocity. If the induced EMF is E t ^ n , then value of n is _.

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Correct answer: 1

As the bar moves without change in orientation, the length of bar will be proportional to its distance from the vertex. i.e. I=c(v t) aligned & induced emf E=B / v & =c B v^2 t aligned n=1

A conducting bar moves on two conducting rails as shown in the figure. A constant magnetic field B exists into the page. The bar starts to move from the vertex at time t=0 with a constant velocity. If the induced EMF is E t ^ n , then value of n is _.

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