Two coplanar and concentric circular loops of wire carry currents of I = 6.90 A and I2 = 2.00 A in opposite directions as in the figure below. (a) If r = 12.0 cm and r2 = 8.50 cm, what is the magnitude of the net magnetic field at the center of the two loops? μΤ (b) If ri = 12.0 cm and r2 = 8.50 cm, what is the direction of the net magnetic field at the center of the two loops? O out of the page o into the page toward the top of the page toward the bottom of the page (c) Let r, remain fixed at 12.0 cm and let r2 be a variable. Determine the value of r2 such that the net field at the center of the loop is zero. cm

Two coplanar and concentric circular loops of wire carry currents of I = 6.90 A and I2 = 2.00 A in opposite directions as in the figure below. (a) If r = 12.0 cm and r2 = 8.50 cm, what is the magnitude of the net magnetic field at the center of the two loops? μΤ (b) If ri = 12.0 cm and r2 = 8.50 cm, what is the direction of the net magnetic field at the center of the two loops? O out of the page o into the page toward the top of the page toward the bottom of the page (c) Let r, remain fixed at 12.0 cm and let r2 be a variable. Determine the value of r2 such that the net field at the center of the loop is zero. cm

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 32P

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