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12.6 Exercise 10

Avg difficulty 2.5

A solenoid with 25 turns per centimeter carries a current I. An electron moves within the solenoid in a circle that has a radius of 2.0 cm and is perpendicular to the axis of the solenoid. If the speed of the electron is 2.0×105m/s,2.0 \times 10^{5} \text{m}/\text{s} , what is I?

OpenStax University Physics Volume 2, 12.6 Solenoids and Toroids, exercise 10

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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.