7. A very long thin wire produces a magnetic field of 0.002 x 10-4 T at a distance of 1.0 mm from the wire. What is the magnitude of the current? (Ho = 4 x 10-7 T.m/A) a) 1.0 mA b) 2.0 mA c) 4000 mA d) 3100 mA
7. A very long thin wire produces a magnetic field of 0.002 x 10-4 T at a distance of 1.0 mm from the wire. What is the magnitude of the current? (Ho = 4 x 10-7 T.m/A) a) 1.0 mA b) 2.0 mA c) 4000 mA d) 3100 mA
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
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 77P
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