(a) What is the characteristic time constant of a 22.7 mH inductor that has a resistance of 4.20 2? 5.4 ms (b) If it is connected to a 12.0 V battery, what is the current after 12.5 ms? .40 How does the current in an RL circuit behave after it is switched on? What is the maximum current in this case? A Additional Materials O Reading
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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.The figure on the right shows an RLC parallel circuit connected to a battery. Assume that the inductor and capacitor are initially uncharged and are ideal. Which branch will have the most current after “a long time”? Explain1. In the circuit below, suppose the switch has been in position A for a very long time. If it is then switched to B, at t = 0, find the current as a function of time. Ignore the self-inductance. R B
- R $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?4 The circuit given to the right has been on for a long time. a. Determine the energy stored in the capacitor. 12 mH 16 k2 18 k2 15 V 1.5μF. 9k 2 b. Determine the energy stored in the inductor. c. Determine how high you could lift a 1.0mg object on Earth if you could convert all of the capacitor's and inductor's stored energy into gravitational potential energy.can you help with 5a and subquestion 5b and 5c this is not and will not be graded 5a. Find the current through a 0.570 H inductor connected to a 70.0 Hz, 550 V AC source. 5b. What would the current be at 95 kHz? 5c. What is the resonant frequency of a 0.490 mH inductor connected to a 35.0 μF capacitor?
- I need help answering this. Thank you!There is a solenoid with an inductance of 0.285 mH, a length of 36 cm, and a cross-sectional area of 6×10−4 m2. Find the number of turns of the solenoid—round your answer to a positive integer.An inductor is connected to the terminals of a battery that hasn’t an emf of 15.5 V and negligible internal resistance. The current is 4.86 rmmA at 0.940 ma after the connection Ian completed. After a long time the current is 6.45mA. A) What is the resistance R of the inductor? R = _______ units _____ B) What is the inductance L of the inductor? L = _________ units ____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
- Q11. Please look at the circuit diagram given, the switch is originally kept at point a for a long time, then the switch is quickly flipped to point b.it is your job to determine the following. a. the frequency of current oscillations in the LC circuit. b. the current amplitude of the oscillations which result. 30.0 V 15.0 5.80 μF ele 48.0 mHDetermine the equivalent inductance for each of the networks of inductors shown in the figures below. Each inductor has an inductance of 100 mH. е. f.A series RLC circuit consists of a 52.0 resistor, a 3.40 mH inductor, and a 430 nF capacitor. It is connected to a 3.0 kHz oscillator with a peak voltage of 6.00 V. You may want to review (Page 905). For help with math skills, you may want to review: Conversion from Degrees to Radians Part A What is the instantaneous emf & when i Express your answer with the appropriate units. ► View Available Hint(s) - I?