After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, & = 24.0 V, RA= 3.50 kn, Rg = 7.10 kn, and L = 532 mH. RA m L S + b 6 RB (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor Rg have a magnitude of 1.00 mA?

Glencoe Physics: Principles and Problems, Student Edition
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Author:Paul W. Zitzewitz
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Chapter25: Electromagnetic Induction
Section25.1: Electric Current From Changing Magnetic Fields
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After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, & = 24.0 V, RA= 3.50 kn, R₂ = 7.10 k0, and L = 532 mH.
RA
S
El
RB
(a) What is the emf across the inductor immediately after the switch is opened?
(b) When does the current in the resistor R₂ have a magnitude of 1.00 mA?
Transcribed Image Text:After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, & = 24.0 V, RA= 3.50 kn, R₂ = 7.10 k0, and L = 532 mH. RA S El RB (a) What is the emf across the inductor immediately after the switch is opened? (b) When does the current in the resistor R₂ have a magnitude of 1.00 mA?
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