Back to 13.1 Faraday’s Law

13.1 Exercise 1

Avg difficulty 2.5

A closely wound coil has a radius of 4.0 cm, 50 turns, and a total resistance of 40Ω40 \Omega. At what rate must a magnetic field perpendicular to the face of the coil change in order to produce heating in the coil at a rate of 2.0 mW?

OpenStax University Physics Volume 2, 13.1 Faraday’s Law, exercise 1

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.