ABCD is a wire frame in the shape of an isosceles trapezium (i.e., length AB = length CD) enter a magnetic field with flux density B at t=0 as shown in the figure. If the total resistance of wire frame is R. What is the value of the induced current in the wire frame after t seconds, assuming that the frame has to entered the field completely by then? [v=Velocity of frame]

Question

TuteeHUB · Accepted Answer

$$\frac{B}{v}$$

TuteeHUB · Answer

zero

TuteeHUB · Answer

$$\frac{Bv}{R}(2vt\,\sin \,\theta +\ell )$$

TuteeHUB · Answer

$$\frac{Bv}{R}\left( \frac{2vt\,}{\tan \,\theta }+\ell  \right)$$

1.	ABCD is a wire frame in the shape of an isosceles trapezium (i.e., length AB = length CD) enter a magnetic field with flux density B at t=0 as shown in the figure. If the total resistance of wire frame is R. What is the value of the induced current in the wire frame after t seconds, assuming that the frame has to entered the field completely by then? [v=Velocity of frame]
A.	zero
B.	\[\frac{Bv}{R}(2vt\,\sin \,\theta +\ell )\]
C.	\[\frac{Bv}{R}\left( \frac{2vt\,}{\tan \,\theta }+\ell \right)\]
D.	\[\frac{B}{v}\]
Answer» D. \[\frac{B}{v}\]

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