In the figure ɛ = 10.0 V, R1 = 1.00 N. The = 4.00 N, and R2 inductor is ideal. If the switch is closed for a long time, what is the current through the inductor. Give your answer in A.
Q: numbers for R1, R2, L d the rate of current in
A: Let's take R1=1Ω,R2=2Ω,L1=2mH,L2=1m,ε=20 V,t=0
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- The circuit shown in the figure contains a resistor and a solenoid. A battery is connected by closing the switch in the figure and provides an EMF Vbat = 15 V. At a time t = 50 ms after the switch is closed the current in the circuit reaches a value of 1.0 A which corresponds to 25 % of its steady state value. What are the values of the resistance and inductance? State your answer to 2 s.f.This LR circuit has time constant named tau, t, and maximum current, If = V/R. Which one of the following best gives an equation for current after time tau, t, the switch has been closed? V If/T (i.e., If/tau) zero If (e-1)/e O I4/e If/eR $₁ S₂ 2 L (...) E A 3 H inductor, a 9.75 9 resistor, and a 1.4 V battery are connected as shown above. The circuit also contain two switches, S₁ and S₂. Initially both switches are open. At t = 0 s S₁ is closed while S₂ is left open. a. What is the time constant of the resulting circuit? Submit Answer Tries 0/10 b1. What is the current through the circuit at t = 0 s? b2. What is the current through the circuit after a long time has passed? Submit Answer Tries 0/10 c1. What is the magnitude of the induced emf at t = 0 s? c2. What is the magnitude of the induced emf after a long time has passed? Submit Answer Tries 0/10 d. After the current in the RL circuit has reached its final value (as in b2. above) the positions of the switches are reversed, with S₁ open and S₂. How long does it take for the current to reach a tenth of its initial value?
- A thin coil has 12 rectangular turns of wire. When a current of 1.7 A runs through the coil, there is a total flux of 0.005 T-m² enclosed by one turn of the coil (note that the inductance is the proportionality constant between current and magnetic flux). What is the total inductance in Henries? HThe solenoid shown in the diagram has 5 loops per centimeter and a cross sectional area of 0.3 m². The resistor has the resistance of 2 Ohm. When the switch is closed, the current in the solenoid increases at the rate of 200 A/s. Find the current through the resistor. RI just need parts A, E, and F. Thank you! A 10.0 μF capacitor is charged to 175 μC and then connected across the ends of a 6.00 mH inductor. (A) Find the maximum current in the inductor. Express your answer with the appropriate units. (E) Find the maximum energy stored in the inductor. Express your answer with the appropriate units. (F) At the instant the energy stored in the inductor is maximum, what is the current in the circuit? Express your answer with the appropriate units.
- A 2.2 Henry inductor and a 177Ω resistor are connected in series with a 24V battery. A long time later the battery is removed from the circuit and replaced with a conducting wire so the inductor is in series with the resistor. After 10.716 ms have gone by what is the magnitude of the current through the resistor in mA?The battery terminal voltage in the figure below is E = 8.10 V and the current I reaches half its maximum value of 6.00 A at t = 0.200 s after the switch is closed. HINT S + E (a) Calculate the time constant T (in s). V S R www (b) What is the potential difference (in V) across the inductor at t = 0.200 s? V (c) What is the potential difference (in V) across the inductor in the instant after the switch is closed at t = 0?If the current in an inductor changes by a factor of 3.6, by what factor does the the energy in the inductor change?
- The energy stored in a solenoid inductor is 28.4 mJ. The solenoid has 425 turns, is .876 meters long and has a diameter of 37.2 cm. How much current is flowing through the solenoid inductor? A. 1.00 A B. 2.02 A C. 4.68 A D. .225 A E. 1.42 APart A) Determine the energy stored in the inductor L as a function of time for the LR circuit of the figure.Express your answer in terms of the variables L, t, R, V0, and appropriate constants. U=? Part B) After how many time constants does the stored energy reach 99.9%% of its maximum value? Express your answer using two significant figures.An inductor has a peak current of 300 μA when the peak voltage at 39 MHz is 2.5 V. You may want to review (Page 914). For help with math skills, you may want to review: Rearrangement of Equations Involving Multiplication and Division 1 Rearrangement of Equations Involving Multiplication and Division 2 ▼ ▼ Part A What is the inductance? Express your answer using two significant figures. VE ΑΣΦ L= 3.4007 10¯5 Submit Previous Answers Request Answer Part B BOY X Incorrect; Try Again; One attempt remaining Submit Previous Answers Request Answer If the voltage is held constant, what is the peak current at 78 MHz ? Express your answer using two significant figures. ΠΨΕ ΑΣΦ 12 1.5 107 ? ? X Incorrect; Try Again; One attempt remaining ΜΗ μA