For the circuit above, R1 = 12 kΩ, R2 = 18 kΩ, L = 13.3 mH, and ξ = 9.5 V. How long after the switch, S, is closed does the current in the inductor reach 63.2% of its final value (that is, what is the characteristic time constant of this circuit)?

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?

What's the self-inductance of a solenoid with 697 loops wrapped around a cylinder. The cylinder has a radius of 2.1 cm and a length of 21 cm?

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

In a standard RLC circuit that we are looking at R = 0.075 Ω , L = 1.2 H and C = 1.6 F.  The initial charge carries by the capacitor is Q0 = 0.045 C.  The switch is closed at time t = 0.   Calculate the value of Q, in coulombs, at time t = 1s.

Two solenoids, A and B, are wound using equal lengths of the same kind of wire. The length of the axis of each solenoid is large compared with its diameter. The axial length of A is thrice as large as that of B, and A has twice as many turns as B. What is the ratio of the inductance of solenoid A to that of solenoid B?

A 25-turn ideal solenoid has an inductance of (4.19x10^-3) H. To generate an EMF of (1.5x10^0) V what should be the rate of change of the current? Express your result as the magnitude in A/s.

I'm working on some homework and am stumped with this problem.  Help would be great, thanks!

An electrical engineer designed an RL circuit similar to the one shown in the figure, with E = 6.00 V, L = 2.00 mH, and R = 3.40 N. L R (a) What is the inductive time constant of the circuit (in ms)? 0.588 ms (b) Calculate the current in the circuit (in A) 250 µs after the switch is closed. 0.61 A (c) What is the value of the final steady-state current (in A)? 0.98 Apply Ohm's law. A (d) After what time interval (in ms) does the current reach 80.0% of its maximum value? 1.17 1o[1 - exp(- ). with i = 0.800I,: Use your value from part (c) for I, and the inductive Apply the equation for the current as a function of time in an RL circuit, i = I, time constant found in part (a). ms Need Help? Read It ll

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?