Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 28, Problem 67P
(a)
To determine
The time constant of the given circuit
(b)
To determine
The value of inductance at the resistance of
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The switch as shown is open for t < 0 and is then thrown closed at time t = 0. Assume R = 4.00 Ω, L = 1.00 H, and ε = 10.0 V. Find (a) the current in the inductor and (b) the current in the switch as functions of time thereafter.
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Chapter 28 Solutions
Physics for Scientists and Engineers
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- In the figure below the switch S is closed, Supppose the emf of the ideal battery is 12.0 V, the inductance of the ideal inductor L = 30.0 mH, and the resistance R2 = 4.34 ohms and the resistance R2 = 2.17 ohms. When i = 0.17 A 1. how much energy is delivered by the battery? 2. how much of this energy is stored in the magnetic field of the inductor? 3. how much of this energy is dissipated by both resistors? 4. what is the rate dibat/dt at t = 0, t = 0.82 s and t after a long time?arrow_forwardA long solenoid of radius r = 2.00 cm is wound with3.50 x 103 turns/m and carries a current that changes at therate of 28.5 A/s as in Figure P20.60. What is the magnitude ofthe emf induced in the square conducting loop surroundingthe center of the solenoid?arrow_forwardA circuit consists of a battery with Ɛ=50.0V, two resistors R1=30.0Ω, R2=15.0Ω, andan inductor L=0.3H as shown in the figure. The switch S is closed at time t=0. (a) Find the potential difference Va−Vbjust after the switch is closed.(b) Find the currents i1 and i2 going through R1 and R2, and their directions, just afterthe switch is closed.(c) The switch is left closed a long time; find the currents i1 and i2.(d) After the switch is left closed a long time, it is opened again. Find Va−Vb andVc−Vd just after the switch is opened.arrow_forward
- 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, = 24.0 V, RA = 4.50 kΩ, RB = 6.70 kΩ, and L = 665 mH. (a) What is the emf across the inductor immediately after the switch is opened? V(b) When does the current in the resistor RB have a magnitude of 1.00 mA? sarrow_forward7. The 4.50 A current through a 7.10 mH inductor is switched off in 9.50 ms. What is the emf induced opposing this?arrow_forwardA 27.0 mH inductor, an 6.00 Ω resistor, and a 6.00 V battery are connected in series. The switch is closed at t = 0. (g) How long does it take to reach 99.9% of the maximum current?arrow_forward
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