University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Chapter 30, Problem Q30.13DQ
To determine
An explanation to describe the voltage is changes suddenly but the current is does not change when the switch S 1
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30.29 In Fig. 30.11, switch S1 is closed while switch S2 is kept open. The inductance is L = 0.380 H, the resistance is 48 Ohms, and the emf of the battery is 18 V. At time t after S1 is closed, the current in the circuit is increasing at a rate of di/dt = 7.2 A/s. At this instant, what is Vab, the voltage across the resistor?
A 30.0-mH inductor and 9.00-Ω resistor, together with a switch, areconnected in series to an ideal battery, forming a closed circuit when the switch is turned on. At time t = 0, the switch is turned on; the initial current is zero. What is the time it takes for the current in the circuit to reach 80.0% of its maximum value?
a 12.0 V ideal battery, a 20.0 resistor, and an inductor are connected by a switch at time t = 0. At what rate is the battery transferring energy to the inductor’s field at t = 1.61tL?
Chapter 30 Solutions
University Physics (14th Edition)
Ch. 30 - In an electric trolley or bus system, the vehicles...Ch. 30 - From Eq. (30.5) 1 H = 1 Wb/A. and from Eqs. (30.4)...Ch. 30 - Prob. Q30.3DQCh. 30 - Prob. Q30.4DQCh. 30 - Prob. Q30.5DQCh. 30 - Two closely wound circular coils have the same...Ch. 30 - Prob. Q30.7DQCh. 30 - For the same magnetic field strength B, is the...Ch. 30 - Prob. Q30.9DQCh. 30 - A Differentiating Circuit. The current in a...
Ch. 30 - In Section 30.5 Kirchhoffs loop rule is applied to...Ch. 30 - Prob. Q30.12DQCh. 30 - Prob. Q30.13DQCh. 30 - In the R-L circuit shown in Fig. 30.11, is the...Ch. 30 - Prob. Q30.15DQCh. 30 - In an L-R-C series circuit, what criteria could be...Ch. 30 - Prob. 30.1ECh. 30 - Prob. 30.2ECh. 30 - Prob. 30.3ECh. 30 - Prob. 30.4ECh. 30 - Prob. 30.5ECh. 30 - Prob. 30.6ECh. 30 - A 2.50-mH toroidal solenoid has an average radius...Ch. 30 - Prob. 30.8ECh. 30 - Prob. 30.9ECh. 30 - Prob. 30.10ECh. 30 - Prob. 30.11ECh. 30 - Prob. 30.12ECh. 30 - Prob. 30.13ECh. 30 - A long, straight solenoid has 800 turns. When the...Ch. 30 - Prob. 30.15ECh. 30 - Prob. 30.16ECh. 30 - Prob. 30.17ECh. 30 - Prob. 30.18ECh. 30 - Prob. 30.19ECh. 30 - Prob. 30.20ECh. 30 - In a proton accelerator used in elementary...Ch. 30 - It is proposed to store l.00 kWh = 3.60 106J of...Ch. 30 - Prob. 30.23ECh. 30 - Prob. 30.24ECh. 30 - Prob. 30.25ECh. 30 - In Fig. 30.11, switch S1 is closcd while switch S2...Ch. 30 - In Fig. 30.11, suppose that = 60.0 V, R = 240 ,...Ch. 30 - Prob. 30.28ECh. 30 - Prob. 30.29ECh. 30 - Prob. 30.30ECh. 30 - In an L-C circuit. L = 85.0 mH and C = 3.20F....Ch. 30 - Prob. 30.32ECh. 30 - A 7.50-nF capacitor is charged up to 12.0 V, then...Ch. 30 - Prob. 30.34ECh. 30 - Prob. 30.35ECh. 30 - A Radio Tuning Circuit. The minimum capacitance of...Ch. 30 - An L-C circuit containing an 80.0-mH inductor and...Ch. 30 - An L-R-C series circuit has L = 0.600 H and C =...Ch. 30 - Prob. 30.39ECh. 30 - An L-R-C series circuit has L = 0.400 H, C = 7.00...Ch. 30 - Prob. 30.41ECh. 30 - Prob. 30.42PCh. 30 - Prob. 30.43PCh. 30 - Prob. 30.44PCh. 30 - Solar Magnetic Energy. Magnetic fields within a...Ch. 30 - CP CALC A Coaxial Cable. A small solid conductor...Ch. 30 - Prob. 30.47PCh. 30 - CALC Consider the circuit in Fig. 30.11 with both...Ch. 30 - Prob. 30.49PCh. 30 - Prob. 30.50PCh. 30 - Prob. 30.51PCh. 30 - Prob. 30.52PCh. 30 - Prob. 30.53PCh. 30 - A 6.40-nF capacitor is charged to 24.0 V and then...Ch. 30 - An L-C circuit consists of a 60.0-mH inductor and...Ch. 30 - A charged capacitor with C = 590 F is connected in...Ch. 30 - CP In the circuit shown in Fig. P30.57, the switch...Ch. 30 - Prob. 30.58PCh. 30 - Prob. 30.59PCh. 30 - Prob. 30.60PCh. 30 - Prob. 30.61PCh. 30 - Prob. 30.62PCh. 30 - Prob. 30.63PCh. 30 - After the current in the circuit of Fig. P30.63...Ch. 30 - CP In the circuit shown in Fig. P30.65, switch S...Ch. 30 - Prob. 30.66PCh. 30 - Prob. 30.67PCh. 30 - Prob. 30.68PCh. 30 - Prob. 30.69PCh. 30 - CP A Volume Gauge. A tank containing a liquid has...Ch. 30 - Prob. 30.71CPCh. 30 - BIO QUENCHING AN MRI MAGNET. Magnets carrying very...Ch. 30 - BIO QUENCHING AN MRI MAGNET. Magnets carrying very...Ch. 30 - BIO QUENCHING AN MRI MAGNET. Magnets carrying very...Ch. 30 - BIO QUENCHING AN MRI MAGNET. Magnets carrying very...
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- Show that Equation 32.28 in the text Ls Kirchhoffs loop rule as applied to the circuit in Figure P32.56 with the switch thrown to position b.arrow_forwardFor an LC circuit, show that the total energy stored in the electric and magnetic fields is a constant given by Equation 33.28, Etot=Qmax2/2C=12LImax2.arrow_forwardA steady current flows through a circuit with a large induct3ve time constant. When a switch in the circuit is opened, a large spark across the terminals of the switch. Explain.arrow_forward
- The battery provides 12.0 V of voltage. The inductor has inductance L, and the resistor has resistance R = 150 Ω . The switch is initially open. At time t=0, the switch is closed. At time t after t=0 the current I(t) flows through the circuit as indicated in the figure. What is the current I(3τ) at a time after t=0 equal to three times the time constant?arrow_forwardWhen the current through a large inductor is interrupted with a switch, an arc appears across the open terminals of the switch. Explain.arrow_forwardA 24.0-V battery is connected in series with a resistor and an inductor, with R= 8.00 Ω and L = 4.00 H, respectively. Find the energy stored in the inductor (a) when the current reaches its maximum value and (b) at an instant that is atime interval of one time constant after the switch is closed.arrow_forward
- An electric current contains a battery that produces a voltage of 60 voltsV , a resistor with a resistance of 13 ohms, and inductor with an inductance of 5 henrys H . Using calculus, it can be shown that I I t (in amperes, A), when t seconds after the switch is closed is 13 5 60 1 13 t I e 1.4.1 Use this equation to express the time t as function of the currentI arrow_forwardSwitch S is closed at time t =0, initiating the buildup of current in the 15.0 mH inductor and the 20.0 ohmresistor. At what time is the emf across the inductor equal to the potential difference across the resistor?arrow_forwardAn inductor with inductance 10.23 H and a resistor with resistance 3.24 ohms are connected in series to a battery with emf of 2V. At what time (s) is the current flowing in the circuit equal to 50% of the final steady state current ( I= Emf/R)?arrow_forward
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