PHY222_hw_10_ch30 - Physics 222 Homework #10 on Chapter 30...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 222 Homework #10 on Chapter 30 of text Choose the best answer from each question. 1. Figure 1: A wire and a 10 ohm resistor are used to form a circuit in the shape of a square, 20 cm by 20 cm. A uniform but non-steady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is decreased from 0.90 T to 0.30 T in a time interval of 60 ms. The average induced convenctional current and its direction through the resistor, in this time interval, are closest to: A) 60 mA, from a to b D) 24 mA, from a to b B) 24 mA, from b to a E) 40 mA, from a to b C) 40 mA, from b to a 2. Figure 2: a coil of 8 turns is wound on a square frame, 25 cm by 25 cm. The resistance of the coil is 2.0 ohms. The coil is initially in a horizontal plane and a uniform vertical magnetic field B is present. Two views of the initial orientation of the coil are given in figs (a) and (b). Points P and Q are initially of the left and right sides of the frame, respectively. The coil is flopped over about axis O-O', through 180 degrees, to the final horizontal orientation, shown in fig (c). The time interval, during which the coil is flipped over, is 0.50 s. The average induced current in the coil during the 0.50 s time interval is 60 ma. The magnitude of the magnetic field which is
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/10/2009 for the course PHYS PHYSIC 222 taught by Professor O'neil during the Spring '09 term at Fullerton College.

Page1 / 3

PHY222_hw_10_ch30 - Physics 222 Homework #10 on Chapter 30...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online