QuizWk11Soln - Name Section Physics 208 Spring 08 Week 11 Quiz Apr 3 2008 1 At right is a cross-section of a solenoid a tightly wound coil of wire The

# QuizWk11Soln - Name Section Physics 208 Spring 08 Week 11...

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Name ____________________________________ Section ___________ Physics 208, Spring 08, Week 11 Quiz Apr. 3, 2008 1. At right is a cross-section of a solenoid – a tightly wound coil of wire. The field outside a solenoid is zero, and the field inside is uniform and directed as shown. An Amperian path is shown as a rectangle. Which of the sides of the path contribute to r B " d r s # in Ampere’s law? a) 1 and 3 b) 2 only c) 4 only d) 1 and 2 e) all sides contribute 2. If the coil has 10 turns of wire per cm, and carries a current of 1 amp, calculate the current through the surface bounded by the Amperian path above when L =0.5 cm. 10 turns / cm -> 5 turns in 0.5 cm. The current through the surface bounded by the path is then 5 A. 3. You hold a loop of wire in your hand and move it at constant velocity into and through a region of constant magnetic field directed into the page as shown below. Label the direction of the induced current in the loop as CW, CCW, or zero.

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• Spring '08
• Rzchowski
• Physics, Magnetic Field, #, 0.5 cm, 2 , tightly wound coil, 1 Amp

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