Quiz4a - Exam: Version is at the BOTTOM of each page! Name_...

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Exam: Version is at the BOTTOM of each page!!!! Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A uniform 4.5 T magnetic field passes through the plane of a wire loop 0.10 m 2 in area. What flux passes through the loop when the direction of the 4.5 T field is at a 30 o angle to the normal of the loop plane? A) 5.0 Wb B) 3.9 Wb C) 0.52 Wb D) 0.39 Wb E) 0.225 Wb 1) 2) According to Lenz's law the direction of an induced current in a conductor will be that which tends to produce which of the following effects? A) enhance the effect which produces it B) produce a greater heating effect C) produce the greatest voltage D) oppose the magnetic field E) oppose the effect which produces it 2) 3) A flat coil of wire consisting of 20 turns, each with an area of 50 cm 2 , is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 2.0 T to 6.0 T in 2.0 s. If the coil has a total resistance of 0.40
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This note was uploaded on 07/25/2009 for the course PHYS Phys1a taught by Professor Schones during the Spring '09 term at UCSD.

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Quiz4a - Exam: Version is at the BOTTOM of each page! Name_...

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