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# T4_108_F10_answers - PHY108 Fall 2010 FINAL EXAM:45 a.m...

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2 P1. An elastic circular conducting loop with resistance 2.00 R is placed in a uniform magnetic field 0.600 B T as shown in the figure. The area A of the loop increases with time t according to the equation: A t . Constant 2 0.500 m ; constant 2 0.700 m /s . a. (5) Write an expression that gives the magnetic flux B through the loop as function of time t. b. (5) calculate the induced voltage on the loop . c. (6) Draw on the figure the direction of the induced current i in the loop. Explain. d. (4) Calculate the induced current i .
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T4_108_F10_answers - PHY108 Fall 2010 FINAL EXAM:45 a.m...

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