A 10.0-mH inductor carries a current i = /max sin wt, with /max = 5.00 A and f = w/2π = 60.0 Hz. What is the self-induced emf as a function of time?
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- 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?A 15.0-mH inductor carries a current i = Imax sin ?t, with Imax = 5.40 A and f = ?/2? = 60.0 Hz. What is the self-induced emf as a function of time? (Express your answer in terms of t where is in volts and t is in seconds. Do not include units in your expression.)
- 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? SChapter 30, Problem 046 The current i through a 3.8 H inductor varies with time t as shown by the graph of the figure. The inductor has a resistance of 12 №. Find the magnitude of the induced emf ɛ during the time intervals (a) t = 0 to 2 ms; (b) 2 ms to 5 ms, and (c) 5 ms to 6 ms. (Ignore the behavior at the ends of the intervals.) (V)? 6 4 2 0 2 / (ms) 4 6Your RL circuit has a characteristic time constant of 21.5 ns, and a resistance of 5.40 MΩ. A. What is the inductance (in H) of the circuit? B. What resistance (in MΩ) should you use (instead of the 5.40 MΩ resistor) to obtain a 1.00 ns time constant, perhaps needed for quick response in an oscilloscope?
- Remove the inductor from the circuit in the figure and set R = 216 Q, C = 18.6 µF, fd = 60.0 Hz, and &m = 36.0 V. What are (a) Z, (b) , and (c) I? 90 R L 000 (a) Number Units (b) Number Units (c) Number UnitsProblem 1. The wire is moving to the left with a linear velocity of 10 m/s as shown. Determine the magnitude and direction of the emf induced in the wire. Include a brief explanation. X X 45° Xv = 10 m/s 1=0.25 m X, X B= 02 T, into the page XE X