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13.7 Exercise 25

Avg difficulty 2.5

A 500-turn coil with a 0.250-m2\text{0}.\text{250}-\text{m}^{2} area is spun in Earth’s 5.00×10−5T5.00 \times 10^{−5} \text{T} magnetic field, producing a 12.0-kV maximum emf. (a) At what angular velocity must the coil be spun? (b) What is unreasonable about this result? (c) Which assumption or premise is responsible?

OpenStax University Physics Volume 2, 13.7 Applications of Electromagnetic Induction, exercise 25

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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.