Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
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Chapter 30, Problem 7Q
To determine
To find:
The current through the central resistor more than, less than, or the same as that through the other resistor
a) Just after the closing of switch S,
b) A long time after that,
c) Just after S is reopened along time letter, and
d) A long time after that.
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Chapter 30 Solutions
Fundamentals of Physics, Volume 1, Chapter 1-20
Ch. 30 - If the circular conductor in Fig. 30-21 undergoes...Ch. 30 - Prob. 2QCh. 30 - Prob. 3QCh. 30 - Prob. 4QCh. 30 - Prob. 5QCh. 30 - Prob. 6QCh. 30 - Prob. 7QCh. 30 - Prob. 8QCh. 30 - Prob. 9QCh. 30 - Prob. 10Q
Ch. 30 - Figure 30-31 shows three situations in which a...Ch. 30 - Figure 30-32 gives four situations in which we...Ch. 30 - Prob. 1PCh. 30 - A certain elastic conducting material is stretched...Ch. 30 - Prob. 3PCh. 30 - A wire loop of radius 12 cm and resistance 8.5 is...Ch. 30 - Prob. 5PCh. 30 - Figure 30-37a shows a circuit consisting of an...Ch. 30 - In Fig. 30-38, the magnetic flux through the loop...Ch. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - Prob. 10PCh. 30 - A rectangular coil of N turns and of length a and...Ch. 30 - Prob. 12PCh. 30 - Prob. 13PCh. 30 - GO In Fig. 30-42a, a uniform magnetic field B...Ch. 30 - GO A square wire loop with 2.00 m sides is...Ch. 30 - GO Figure 30-44a shows a wire that forms a...Ch. 30 - A small circular loop of area 2.00 cm2 is placed...Ch. 30 - Prob. 18PCh. 30 - ILW An electric generator contains a coil of 100...Ch. 30 - At a certain place, Earths magnetic field has...Ch. 30 - Prob. 21PCh. 30 - A rectangular loop area = 0.15 m2 turns in a...Ch. 30 - SSM Figure 30-47 shows two parallel loops of wire...Ch. 30 - Prob. 24PCh. 30 - GO Two long, parallel copper wires of diameter 2.5...Ch. 30 - GO For the wire arrangement in Fig. 30-49, a =...Ch. 30 - ILW As seen in Fig. 30-50, a square loop of wire...Ch. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - Prob. 31PCh. 30 - A loop antenna of area 2.00 cm2 and resistance...Ch. 30 - GO Figure 30-54 shows a rod of length L = 10.0 cm...Ch. 30 - Prob. 34PCh. 30 - Prob. 35PCh. 30 - Prob. 36PCh. 30 - Prob. 37PCh. 30 - Prob. 38PCh. 30 - Prob. 39PCh. 30 - Prob. 40PCh. 30 - A circular coil has a 10.0 cm radius and consists...Ch. 30 - Prob. 42PCh. 30 - Prob. 43PCh. 30 - Prob. 44PCh. 30 - Prob. 45PCh. 30 - Prob. 46PCh. 30 - Inductors in series. Two inductors L1 and L2 are...Ch. 30 - Prob. 48PCh. 30 - Prob. 49PCh. 30 - Prob. 50PCh. 30 - ILW The current in an RL circuit drops from 1.0 A...Ch. 30 - Prob. 52PCh. 30 - Prob. 53PCh. 30 - Prob. 54PCh. 30 - Prob. 55PCh. 30 - Prob. 56PCh. 30 - In Fig. 30-65, R = 15 , L = 5.0 H, the ideal...Ch. 30 - Prob. 58PCh. 30 - Prob. 59PCh. 30 - Prob. 60PCh. 30 - Prob. 61PCh. 30 - A coil with an inductance of 2.0 H and a...Ch. 30 - Prob. 63PCh. 30 - Prob. 64PCh. 30 - Prob. 65PCh. 30 - A circular loop of wire 50 mm in radius carries a...Ch. 30 - Prob. 67PCh. 30 - Prob. 68PCh. 30 - ILW What must be the magnitude of a uniform...Ch. 30 - Prob. 70PCh. 30 - Prob. 71PCh. 30 - Prob. 72PCh. 30 - Prob. 73PCh. 30 - Prob. 74PCh. 30 - Prob. 75PCh. 30 - Prob. 76PCh. 30 - Prob. 77PCh. 30 - Prob. 78PCh. 30 - SSM In Fig. 30-71, the battery is ideal and = 10...Ch. 30 - Prob. 80PCh. 30 - Prob. 81PCh. 30 - A uniform magnetic field B is perpendicular to the...Ch. 30 - Prob. 83PCh. 30 - Prob. 84PCh. 30 - Prob. 85PCh. 30 - Prob. 86PCh. 30 - Prob. 87PCh. 30 - Prob. 88PCh. 30 - A coil with an inductance of 2.0 H and a...Ch. 30 - Prob. 90PCh. 30 - Prob. 91PCh. 30 - Prob. 92PCh. 30 - Prob. 93PCh. 30 - A long cylindrical solenoid with 100 turns/cm has...Ch. 30 - Prob. 95PCh. 30 - A square loop of wire is held in a uniform 0.24 T...Ch. 30 - Prob. 97PCh. 30 - The inductance of a closely wound coil is such...Ch. 30 - The magnetic field in the interstellar space of...Ch. 30 - Prob. 100PCh. 30 - A toroid has a 5.00 cm square cross section, an...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 58 In Fig. 30-47, R₁ = 8.0 2, R₂ = 10 2, L₁ = 0.30 H, L₂ = 0.20 H, and the ideal battery has = 6.0 V. (a) Just after switch S is closed, at what rate is the current in inductor 1 changing? (b) When the circuit is in the steady state, what is the current in inductor 1? oooo L₁ R₁ R₂ E SOPORD L2 elle Figure 30-47 Problem 58.arrow_forwardEXAMPLE 30-7. LC circuit. A 1200-pF capacitor is fully charged by a 500-V dc power supply. It is disconnected from the power supply and is connected, at t = 0, to a 75-mH inductor. Determine: (a) the initial charge on the capacitor; (b) the maximum current; (c) the frequency f and period T of oscillation; and (d) the total energy oscillating in the system.arrow_forward*73 A rectangular loop of N closely packed turns is posi- tioned near a long straight wire as shown in Fig. 30-68. What is the mutual inductance M for the loop-wire combination if N = 100, a = 1.0 cm, b = 8.0 cm, and / = 30 cm? ILWarrow_forward
- A resistor R and an ideal inductor L are connected in series to an ideal batteryhaving a constant terminal voltage V0. At the moment contact is made with thebattery (S1 closed, S2 open),(a) the voltage across the resistor isA) V0B) V0/eC) V0/2D) zero(b) the voltage across the inductor isA) V0B) V0/eC) V0/2D) zeroarrow_forward(L11) At t = 0 s, a 3.53E-3 H inductor carries a 5.03 A current flowing from a to b, as shown in the figure. The current then decreases at a constant rate until it becomes zero at t = 4.10 s. The voltage is measured to be Va at point a and V₁ at point b. What is the voltage difference Va-Vb between t = 0s and t = 4.10 s (in V; answer the sign and magnitude)? a فیقققق L elle I barrow_forwardA rectangular loop of wire is placed perpendicular to a uniform magnetic field and then spun around one of its sides at frequency f. The induced emf is a maximum when: the flux is zero the flux is a maximum the flux is half its maximum value O the derivative of the flux with respect to time is zero O none of the abovearrow_forward
- **.26 o For the wire arrangement in Fig. 30-49, a = 12.0 cm and b 16.0 cm. The current in the long straight wire is i = 4.502 – 10.01, where i is in amperes and t is in sec- onds. (a) Find the emf in the square loop at t= 3.00 s. (b) What is the %3! Figure 30-49 Problem 26. direction of the induced current in the loop?arrow_forwardIn a certain oscillating LC circuit, the total energy is converted from electrical energy in the capacitor to magnetic energy in the inductor in 1.50 ms. What are (a) the period of oscillation and (b) the frequency of oscillation? (c) How long after the magnetic energy is a maximum will it be a maximum again?arrow_forwardA 90.0 mH inductor is connected in a circuit. The current through the inductor is given by the function t²-6¹. Estimate the time at which the emf will reduce to zero.arrow_forward
- *77 SSM Two coils connected as shown in Fig. 30-70 separately have inductances L1 and L2. TI mutual inductance is M. (a) Show that this combination can be placed by a single coil of equivalent inductance given by Leg = L1 + L2 + 2M. (b) How could the coils in Fig. 30-70 be reconnected to yield equivalent inductance of Leg = L + L2- 2M? (This problem is an extension of Problem 47, but the requirem that the coils be far apart has been removed.) L1 M- L9 N1 Ng Figure 30-70 Problem 77.arrow_forwardAn oscillating LC circuit consisting of a 1.0 nF capacitorand a 3.0 mH coil has a maximum voltage of 3.0 V.What are (a) themaximum charge on the capacitor, (b) the maximum currentthrough the circuit, and (c) the maximum energy stored in themagnetic field of the coil?arrow_forwardA simple electric circuit is formed by a voltage source (V), a resistor (R) and an inductor (2) connected in series. It is given that R-100, L= 0.1 H and V= 10 V. Assume that the circuit is closed at t=0 by closing the switch S. Solve given that (0) = 0. Warrow_forward
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