A straight wire is aligned east-west in a region where Earth’s magnetic field has magnitude 0.0580 mT and direction 70.9° below the horizontal, with the horizontal component directed due north. The wire carries a current I toward the west. The magnetic force on the wire per unit length of wire has magnitude 0.0300 N/m. What is the direction of the magnetic force on the wire? A) 28.1° below the horizontal, with the horizontal component due north B) 19.1° below the horizontal, with the horizontal component due south C) 19.1° below the horizontal, with the horizontal component due north D) 28.1° below the horizontal, with the horizontal component due south What is the current I?
A straight wire is aligned east-west in a region where Earth’s magnetic field has magnitude 0.0580 mT and direction 70.9° below the horizontal, with the horizontal component directed due north. The wire carries a current I toward the west. The magnetic force on the wire per unit length of wire has magnitude 0.0300 N/m. What is the direction of the magnetic force on the wire? A) 28.1° below the horizontal, with the horizontal component due north B) 19.1° below the horizontal, with the horizontal component due south C) 19.1° below the horizontal, with the horizontal component due north D) 28.1° below the horizontal, with the horizontal component due south What is the current I?
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 45P
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A straight wire is aligned east-west in a region where Earth’s magnetic field has magnitude 0.0580 mT and direction 70.9° below the horizontal, with the horizontal component directed due north. The wire carries a current I toward the west. The magnetic force on the wire per unit length of wire has magnitude 0.0300 N/m.
What is the direction of the magnetic force on the wire?
A) 28.1° below the horizontal, with the horizontal component due north
B) 19.1° below the horizontal, with the horizontal component due south
C) 19.1° below the horizontal, with the horizontal component due north
D) 28.1° below the horizontal, with the horizontal component due south
What is the current I?
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