(a) Find the emf induced in the loop. 1 V (b) Find the current induced in the lo
ID: 2144043 • Letter: #
Question
(a) Find the emf induced in the loop.1 V
(b) Find the current induced in the loop.
2 A
(c) At what rate is thermal energy generated in the rod?
3 W
(d) What is the magnitude of the force that must be applied to the rod to make it move at constant speed?
4 N
(e) At what rate does this force do work on the rod?
5 W The figure below shows a rod of length L = 15.0 cm that is forced to move at constant speed v = 2.00 m/s along horizontal rails. The rod, rails, and connecting strip at the right form a conducting loop. The rod has resistance 0.500 Ohm ; the rest of the loop has negligible resistance. A current i = 130 A through the long straight wire at distance a = 10.0 mm from the loop sets up a (non-uniform) magnetic field through the loop. Find the emf induced in the loop Find the current induced in the loop At what rate is thermal energy generated in the rod? What is the magnitude of the force that must be applied to the rod to make it move at constant speed? At what rate does this force do work on the rod ?
Explanation / Answer
The figure below shows a rod of length L = 10.0 cm that is forced to move at constant v = 5.00m/s along horizontal rails. The rod, rails, and connecting strip at the right form a conducting loop. The rod has resistance 0.400?. The rest of the loop has negligible resistance. A current, i = 100A, is passing through the long straight wire shown above the loop. The wire is a distance a = 10.0 mm from the loop and creates the magnetic field shown below.
Find the:
(a) emf
(b) the current induced in the loop.
(c) At what rate is thermal energy generated in the rod?
(d) What is the magnitude of the force that must be exerted on the rod to force it to move at a constant speed?
(e) At what rate does this force do work on the rod
B(r)=
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