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Chapter 30: Q. 13 (page 869)
13. Rank in order, from largest to smallest, the three time constants to for the three circuits in FIGURE Q30.13. Explain.
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Asquare loop lies in the -plane. The magnetic field in this region of space is , where is in . What is the induced in the loop at and
Does the loop of wire in FIGURE have a clockwise current, a counterclockwise current, or no current under the following circumstances? Explain.
a. The magnetic field points out of the page and is increasing.
b. The magnetic field points out of the page and is constant.
c. The magnetic field points out of the page and is decreasing
What value of resistorgives the circuit in FIGURE a time constant of
The switch in FIGURE has been open for a long time. It is closed at .
a. What is the current through the battery immediately after the switch is closed
b. What is the current through the battery after the switch has been closed a long time
FIGURE shows a -cm-diameter loop with resistance around a -cm-diameter solenoid. The solenoid is cm long, has turns, and carries the current shown in the graph. A positive current is when seen from the left. Find the current in the loop at
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