A 60.5 m length of insulated copper wire is wound to form a solenoid of radius 2.2 cm. The copper wire has (a) What is the resistance of the wire? ΙΩ (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m radius of 0.51 mm. (Assume the resistivity of copper is p = 1.7 x 10-8 - m.)

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
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A 60.5 m length of insulated copper wire is wound to form a solenoid of radius 2.2 cm. The copper wire has a radius of 0.51 mm. (Assume the resistivity of copper is p = 1.7 x 10-8. m.)
(a) What is the resistance of the wire?
Ω
(b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire?
turns
(c) How long is the resulting solenoid?
m
(d) What is the self-inductance of the solenoid?
mH
(e) If the solenoid is attached to a battery with an emf of 6.0 V and internal resistance of 350 m2, compute the time constant of the circuit.
ms
(f) What is the maximum current attained?
A
(g) How long would it take to reach 99.9% of its maximum current?
ms
(h) What maximum energy is stored in the inductor?
mJ
Transcribed Image Text:A 60.5 m length of insulated copper wire is wound to form a solenoid of radius 2.2 cm. The copper wire has a radius of 0.51 mm. (Assume the resistivity of copper is p = 1.7 x 10-8. m.) (a) What is the resistance of the wire? Ω (b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire? turns (c) How long is the resulting solenoid? m (d) What is the self-inductance of the solenoid? mH (e) If the solenoid is attached to a battery with an emf of 6.0 V and internal resistance of 350 m2, compute the time constant of the circuit. ms (f) What is the maximum current attained? A (g) How long would it take to reach 99.9% of its maximum current? ms (h) What maximum energy is stored in the inductor? mJ
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