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14.2 Exercise 3

Avg difficulty 2.5

(a) Calculate the self-inductance of a solenoid that is tightly wound with wire of diameter 0.10 cm, has a cross-sectional area of 0.90cm2\left(0.90 \text{cm}\right)^{2}, and is 40 cm long. (b) If the current through the solenoid decreases uniformly from 10 to 0 A in 0.10 s, what is the emf induced between the ends of the solenoid?

OpenStax University Physics Volume 2, 14.2 Self-Inductance and Inductors, exercise 3

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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.