Consider the circuit shown in the figure below. Take = 6.00 V, L = 12 mH, and R = 5 Q. Shown in the figure below. T S R (a) What is the inductive time constant of the circuit? (b) Calculate the current in the circuit 250 µs after the switch is closed. (c) What is the value of the final steady-state current? (d) How long does it take the current to reach 70.0% of its maximum value? +

Consider the circuit shown in the figure below. Take = 6.00 V, L = 12 mH, and R = 5 Q. Shown in the figure below. T S R (a) What is the inductive time constant of the circuit? (b) Calculate the current in the circuit 250 µs after the switch is closed. (c) What is the value of the final steady-state current? (d) How long does it take the current to reach 70.0% of its maximum value? +

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 14.8CYU: Check Your Understanding (a) If the current in the circuit of in Figure 14.12(b) increases to 909 of...

See similar textbooks

Similar questions

How long after switch S1 is thrown does it take the current in the circuit shown to reach half its maximum value? Express your answer in terms of the time constant of the circuit.
Does the time required for the current in an RL circuit to reach any fraction of its steady-state value depend on the emf of the battery?
Check Your Understanding (a) If the current in the circuit of in Figure 14.12(b) increases to 909 of its final value after 5.0 s, what is the inductive time constant? (b) If R=20 , what is the value of the self-inductance? (c) If the 20 resistor is replaced with a 100 resister, what is the time taken for the current to reach 90% of its final value?
Show that N m /l and el(dl/dt), which are both expressions for se1f-inductance, have the same units.
Two infinite solenoids cross the plane of the circuit as shown below. The radii of the solenoids are 0.10 and 020 m, respectively, and the current in each solenoid is changing such that dB/dt50.0T/s . What are die currents in die resistors of the circuit?
An inductor is connected across the terminals of a battery. Does the current stance of the battery? Does the time required for the current to reach its final value depend on this resistance?
What resistance R must be connected in series with a 200-mH inductor of the resulting RLC oscillating circuit is to decay to 50% of its initial value of charge in 50 cycles? To 0.10% of its initial value in 50 cycles?
Consider the circuit shown below. Find l1, l2and l3when (a) the switch S is first closed, (b) after the currents have reached steady-state values, and (c) at the instant the switch is reopened (after being closed for a long time).
If emf of the battery of Figure 14.12(b) is reduced by a factor of 2, by how much does the steady-state energy stored in the magnetic field of the inductor change?
Check Your Understanding (a) Calculate the self-inductance of a solenoid that is tightly wound with wire of diameter 0.10 cm, has a cross-sectional area of 0.90 cm2, and is 40 cm long. (b) If the current through the solenoid decreases uniformly from 10 to 0 A in 0.10 s, what is the emf induced between the ends of the solenoid?
What is the self-inductance per meter of a coaxial cable whose inner radius is 0.50 mm and whose outer radius is 4.00 mm?
Show that for the circuit shown below, the initial energy stored in the inductor, LI2(0)/2 , is equal to the total energy eventually dissipated in the resistor 0I2(t)Rdt.