30.11 An R-L circuit Closing switch S1 connects the R-L combination in series with a source of emf E R Closing switch S2 while opening switch S disconnnects the combination from the source
30.11 An R-L circuit Closing switch S1 connects the R-L combination in series with a source of emf E R Closing switch S2 while opening switch S disconnnects the combination from the source
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies
Section: Chapter Questions
Problem 23PE: Integrated Concepts Derive an expression for the current in a system like that in Figure 23.11,...
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30.29 In Fig. 30.11, switch S1 is closed while switch S2 is kept open. The inductance is L = 0.380 H, the resistance is 48 Ohms, and the emf of the battery is 18 V. At time t after S1 is closed, the current in the circuit is increasing at a rate of di/dt = 7.2 A/s. At this instant, what is Vab, the voltage across the resistor?
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