I₁ 12 R A circular loop has radius R-15 cm and carries current 12-1.9 A in a clockwise direction as shown in the figure. The center of the loop is a distance D=2R above a long, straight wire carrying a current I. What is the magnitude and direction of the current I₁ in the wire if the magnetic field at the center of the loop is zero? ( Ho=4x×107 T.m/A) 1. OI-11.9 A to the right 2. O11-11.9 A to the left 3. O11-13.8A to the right 4. OI-13.8 A to the left 5. O11-7.5 A to the right 6. OI-7.5 A to the left

I₁ 12 R A circular loop has radius R-15 cm and carries current 12-1.9 A in a clockwise direction as shown in the figure. The center of the loop is a distance D=2R above a long, straight wire carrying a current I. What is the magnitude and direction of the current I₁ in the wire if the magnetic field at the center of the loop is zero? ( Ho=4x×107 T.m/A) 1. OI-11.9 A to the right 2. O11-11.9 A to the left 3. O11-13.8A to the right 4. OI-13.8 A to the left 5. O11-7.5 A to the right 6. OI-7.5 A to the left

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Sources Of The Magnetic Field

Section: Chapter Questions

Problem 30.7P

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