A 3.7 mH inductor is initially connected to a 4.6 V battery at t D0 through a 3.0 Q resistor. Once the inductor is fully energized, the battery is removed and the 3.0 O resistor is connected between the two terminals of the inductor. Find the current flowing through the resistor 18.0 usec after the inductor begins to be de-energized.
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- don't use chat gptA 12.0 V battery is connected into a series circuit containing a 20.0 resistor and a 1.50 H inductor. (a) In what time interval (in s) will the current reach 50.0% of its final value? S (b) In what time interval (in s) will the current reach 90.0% of its final value? S What If? After a very long time, using a switch like that shown in the figure below, the battery is removed and the inductor is connected directly across the resistor. R Są ob ก ε ele (c) In what time interval (in s) will the current decrease to 50.0% of its initial value? S (d) In what time interval (in s) will the current decrease to 10.0% of its initial value? SWhere a 44 V battery is connected to three resistors and an inductor with values R1 = 96 Ω, R2 = 24 Ω, R3 = 40 Ω, and L = 16 H. The switch has been OPEN for a LONG TIME. IMMEDIATELY AFTER we CLOSE the switch, what is the current in R3? 0.743 A 0.324 A 0.000 A 1.100 A
- A constant voltage of 11.00 V has been observed over a certain time interval across a 2.30 H inductor. The current through the inductor, measured as 1.00 A at the beginning of the time interval, was observed to increase at a constant rate to a value of 8.00 A at the end of the time interval. How long was this time interval?A battery providing emf V is connected in series to a resistor R and an inductor L, and left until the current reaches a constant value. (a) What is the energy stored in the inductor in terms of V, R and L? Then, at t = 0, the battery is suddenly removed, so that only the inductor and resistor are left connected to each other in a closed circuit. (b) Derive an expression for the energy stored in the inductor in the new circuit without the battery. Sketch your expression as a function of time. (c) How long does it take for the energy stored in the inductor to decay to 1/9 of the initial value that you found in part (a)?A 24.0-V battery is connected in series with a resistor and an inductor, with R = 9.20N and L = 9.20 H, respectively. (a) Find the energy stored in the inductor when the current reaches its maximum value. (b) Find the energy stored in the inductor at an instant that is a time interval of one time constant after the switch is closed.
- Help A V = 86-V source is connected in series with an R = 1.8-kΩ resistor and an L = 28-H inductor and the current is allowed to reach maximum. At time t = 0 a switch is thrown that disconnects the voltage source, but leaves the resistor and the inductor connected in their own circuit. After the current decreases to 53 % of its maximum value, the battery is reconnected into the circuit by reversing the switch. 1) At what value of the time t, in milliseconds, does the current reach 77 % of its maximum? 2) How much energy, in millijoules, is supplied in total by the battery, both in initially bringing the current to maximum and in bringing the current back to the 77 % level from 53 %? Ignore energy dissipated in the resistor during those processes.A 19.0 mH inductor, an 6.00 Ω resistor, and a 9.00 V battery are connected in series. The switch is closed at t = 0. ( h) What is the maximum energy stored in the inductor?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?
- A 35.0 V battery with negligible internal resistance, a 50.0 Ohm resistor, and a 1.25 mH inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed. How long after closing the switch will the current through the inductor reach one-half of its maximum value? How long after closing the switch will the energy stored in the inductior reach one-half of its maximum value?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?