At time t-0, the switch is closed. What is the current thru the inductor L after a long time? O 3.0A O 1.0 A O 2.0A O 0.25 A O 0.5 A 1.25 A O OA V=10V R₁ = 100 www L=10H R₂=1002
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- If the frequency is equal to 20 kHz than the alternating current completes: 2000 cycles in 0.1 s o 200 cycles in 0.IsO 20 cycles in 0.1s O 20000 cycles in 0.1 sThe I vs t graph shown below is for an LR circuit with a battery. 1(A) 3. 2 1. 9 18 27 36 45 54 63 72 81 90 t(s) Determine the time constant of the LR circuit. TH If L9 H, determine R. R = Ω MYA) What is the maximum current through the inductor? B) What is the first time at which the current is maximum?
- You need an inductor that will store 20 J of energy when a 3.0-A current flows through it. What should be its self-inductance? O 3.7 H O 90 H O 60 H O 4.4 H O 76 HAfter 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? SJust after the switch is closed, what is the magnitude of the potential difference vabvab across the resistor R1? What is the magnitude of the potential difference vcdvcd across the inductor L? The switch is left closed a long time and then opened. Just after the switch is opened, what is the magnitude of the potential difference vabvab across the resistor R1? What is the magnitude of the potential difference vcdvcd across the inductor L?
- Where 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 AFind the energy stored by the inductor in the circuit * R1 3Ω E 15 V L. 6 mH R2 O 2 mJ O 7 mJ 54 mJ O 27 mJ