2.00 mB-4,00T points downward. Calculate the potential difference between the en

Question

2.00 mB-4,00T points downward. Calculate the potential difference between the ends of the wire. Which end is at a higher potential? 3.00 m 12. A heavy loop falls through the tabletop in 5.00-102 s(the top of the loop will then be below the top of the table). The plane of the loop is perpendicular to the magnetic field the table. (a) Find the flux through the loop when it is on top of the table. (b) Find the average induced emf in the loop assuming that there is no magnetic field below the table. (c) Find the direction of the induced above current.

Explanation / Answer

(a) flux =B*A*cos(theta)

Here theta=0 degree

So flux=BA=24 Tm*m

(b)average induced emf=flux/time=480 volts

(c)As flux is decreasing ,current will increase the flux so direction of current will be anticlockwise while looking at the right side

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