In the figure below, the conducting loop has fallen a short distance and is now falling at a constant velocity, Uterminal. The loop has sides of length s=0.50 m, mass 30.0 g, and resistance R=1.00 . If B=7.50 T and is directed into the page, answer the following questions: Square loop of copper wire- X Below this line: B=0 X Above this line: B uniform and horizontal Ks = side length → X X X X XBX = wire diameter X s = side length Uterminal? (a) What is the magnitude of the force pulling down on this loop? (b) According to Lenz's Law, in which direction will an induced current in the loop travel? How do you know? (c) Since the loop is moving at a constant velocity, there must be an equal force acting to hold the loop up. What current do you need to flow in the loop to produce this force? (d) Use the induced EMF in this loop to determine Uterminal.
In the figure below, the conducting loop has fallen a short distance and is now falling at a constant velocity, vterminal. The loop has sides of length s=0.50 m, mass 30.0 g, and resistance R=1.00 Ω. If B=7.50 T and is directed into the page, answer the following questions:
(a) What is the magnitude of the force pulling down on this loop?
(b) According to Lenz’s Law, in which direction will an induced current in the loop travel? How do you know?
(c) Since the loop is moving at a constant velocity, there must be an equal force acting to hold the loop up. What current do you need to flow in the loop to produce this force?
(d) Use the induced EMF in this loop to determine vterminal.
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