Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 31, Problem 19SP
To determine
The value of the magnetic field in the interior of 50 cm long air-core solenoid if it carries a current of
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A solenoid consists of 4200 turns of copper wire. The wire has a diameter of 0.200 mm. The solenoidhas a diameter of 1.00 cm. When the solenoid is connected to a 12.0 V battery, we observe that thecurrent increases over time and is 155 mA after 1.50 milliseconds have passed. Assume that the internalresistance of the battery and connecting wires is negligible. (Hint: the solenoid is acting as both the Rand L in an RL circuit).a) What is the length of wire needed to form the solenoid? ________________________b) What is the inductance of the solenoid? ________________________c) What is the length of the solenoid? ________________________d) What will be the current after three time constants have elapsed?
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A 2.50 mH toroidal solenoid has an average radius of 6.00 cmand a cross-sectional area of 2.00 cm2. At what rate must the current through it change so that a potential difference of 2.00 V is developed across its ends?
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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