A horizontal. 25cm long conducting rod is rolling along two horizontal conductin

Question

A horizontal. 25cm long conducting rod is rolling along two horizontal conducting rails that are parallel to the x-axis. The rod is parallel to the y axis, but moves in the +x direction with a speed of 12cm/s. The rails are electrically connected by a second conducting rod attatched to the rails at an x-coordinate smaller than that of the rod. The entire horizontal assembly is immersed in a uniform vertical magneitc field of 5.04T, with B pointed in the Z+ direction (up). How much emf V (in V) is generated by the conductor moving in the B-field?

Explanation / Answer

Here,

emf = B v L

Thus,

emf = 0.1512 V   [ANSWER]

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