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, e m f = 24.0 V, RA = 4.50 kΩ, RB = 7.10 kΩ, and L = 684 mH. (a) What is the emf across the inductor immediately after the switch is opened? (b) When does the current in the resistor RB have a magnitude of 1.00 mA?

A loop of wire has a self-inductance of 5.5 mH.  You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?

In the figure, R = 11.0 Ω, C = 6.82 μF, and L = 54.0 mH, and the ideal battery has emf = 32.0 V. The switch is kept in position a for a long time and then thrown to position b. What are the (a) frequency and (b) current amplitude of the resulting oscillations?

In the circuit shown in the figure, let L = 7.40 H, R = 5.90 ohms and E = 120 V. What is the self induced emf 0.200 s after the switch is closed?

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, E = 24.0 V, R = 4.50 kO, Rg = 6.80 k2, and L = 570 mH. RA S ③ roo b a ww 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? S

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= 3.70 KM, Rß = 7.50 kỵ, and L = 665 mH. RA ww S mo L +1 b ww RB (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor RÅ have a magnitude of 1.00 mA? S

Consider the circuit shown in the figure below. Take E = 6.00 V, L = 7.92 mH, and R = 3.60 Ω. S + I R ww (a) What is the inductive time constant of the circuit? ms (b) Calculate the current in the circuit 250 us after the switch is closed. A (c) What is the value of the final steady-state current? A (d) How long does it take the current to reach 81.0% of its maximum value? ms

The current in the RL circuit shown below reaches one-fourth its maximum value in 2.75 ms after the switch s, is thrown. R (a) Determine the time constant of the circuit (in ms). ms (b) Determine the resistance of the circuit (in 0) if L = 200 mH.

An inductor (L = 0.39 H) and two resistors (R, = R, = 5.5 N) are connected to a battery with an emf of 12.0 V as shown in the figure below. 12.0 V R1 S R2 (a) If the switch S is closed at time t = 0, determine the potential drop across the inductor at time t = 0.045 s. (Enter the magnitude.) V (b) After a steady state is reached, the switch is opened. What are the direction and magnitude of the current through R, at a time 0.045 s after the switch is opened?

Consider a 22.5 mH inductor that has a resistance of 4.1 Ω.  Part (a)  What is the time constant, τ, of the inductor, in seconds?   Part (b)  If the inductor is connected to a 12.0 V battery, what is the current, I, in amperes, after 10.5 ms?