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= 3.80 kn, RB = 7.10 kn, and L=646 mH. RA a voo b RB (a) What is the emf across the inductor immediately after the switch is opened? (b) When does the current in the resistor Rg have a magnitude of 1.00 mA?

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Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies
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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 = 3.80 kn, RB = 7.10 kn, and L = 646 mH.
RA
a
୪୪୪
L
b
RB
(a) What is the emf across the inductor immediately after the switch is opened?
V
(b) When does the current in the resistor RB have a magnitude of 1.00 mA?
S
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 = 3.80 kn, RB = 7.10 kn, and L = 646 mH. RA a ୪୪୪ L b RB (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor RB have a magnitude of 1.00 mA? S
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