PHYSICS:F/SCI.+ENGRS.(LL)-W/WEBASSIGN
10th Edition
ISBN: 9781337888714
Author: SERWAY
Publisher: CENGAGE L
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Textbook Question
Chapter 31, Problem 12P
Show that i = Iie−t/τ is a solution of the differential equation
where Ii is the current at t = 0 and τ = L/R.
Expert Solution & Answer
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A current, i(t) = 50 cos(100t) enters the input terminal of an electric device.
What is the charge q at t = 5 ms (given that at t =0, q =0) ?
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Chapter 31 Solutions
PHYSICS:F/SCI.+ENGRS.(LL)-W/WEBASSIGN
Ch. 31.1 - A coil with zero resistance has its ends labeled a...Ch. 31.2 - Prob. 31.2QQCh. 31.3 - Prob. 31.3QQCh. 31.4 - Prob. 31.4QQCh. 31.5 - (i) At an instant of time during the oscillations...Ch. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - An emf of 24.0 mV Ls induced in a 500-turn coil...Ch. 31 - Prob. 4PCh. 31 - Prob. 5P
Ch. 31 - A toroid has a major radius R and a minor radius r...Ch. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10PCh. 31 - Prob. 11PCh. 31 - Show that i = Iiet/ is a solution of the...Ch. 31 - Prob. 13PCh. 31 - You are working as a demonstration assistant for a...Ch. 31 - Prob. 15PCh. 31 - The switch in Figure P31.15 is open for t 0 and...Ch. 31 - Prob. 17PCh. 31 - Two ideal inductors, L1 and L2, have zero internal...Ch. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Complete the calculation in Example 31.3 by...Ch. 31 - Prob. 23PCh. 31 - A flat coil of wire has an inductance of 40.0 mH...Ch. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - In the circuit of Figure P31.29, the battery emf...Ch. 31 - Prob. 30PCh. 31 - An LC circuit consists of a 20.0-mH inductor and a...Ch. 31 - Prob. 32PCh. 31 - In Figure 31.15, let R = 7.60 , L = 2.20 mH, and C...Ch. 31 - Prob. 34PCh. 31 - Electrical oscillations are initiated in a series...Ch. 31 - Review. Consider a capacitor with vacuum between...Ch. 31 - A capacitor in a series LC circuit has an initial...Ch. 31 - Prob. 38APCh. 31 - Prob. 39APCh. 31 - At the moment t = 0, a 24.0-V battery is connected...Ch. 31 - Prob. 41APCh. 31 - You are working on an LC circuit for an experiment...Ch. 31 - Prob. 43APCh. 31 - Prob. 44APCh. 31 - Prob. 45APCh. 31 - At t = 0, the open switch in Figure P31.46 is...Ch. 31 - Review. The use of superconductors has been...Ch. 31 - Review. A fundamental property of a type 1...Ch. 31 - Prob. 49APCh. 31 - In earlier times when many households received...Ch. 31 - Assume the magnitude of the magnetic field outside...Ch. 31 - Prob. 52CPCh. 31 - Prob. 53CP
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- A cell of em.f. 2V and external resistance 0.5 Q is connected across a resistor (R). The current that flows is same as that, when a cell of e.m.f. 1.5 V and external resistance 0.3 Q is connected across the same resistor. Then R=03Q (b) R=0.60 R=05Q (d) R=0.75 92arrow_forwardShow that i = Iie-t/τ is a solution of the differential equation iR + L di/dt = 0where Ii is the current at t = 0 and τ = L/R.arrow_forwardA lab technician wants to measure the electric current flowing through a circuit. The circuit consists of a load Resistor R=4Q connected at the terminals of a battery with internal resistance r=20 and emf e = 10V. The lab technician being amateur connects the (ideal) Ammeter WRONGLY in parallel to the battery. A 2.00 N 10.0 V 4.00 Q ro kaaen . g ny Find: 1. The current through the 4Q load resistor. 2. The current supplied by the battery. 3. The terminal voltage of the battery. 4. The current flowing through the 42 load resistor BEFORE the technician connects the Ammeter. 5. What would the correct way to connect the Ammeter be?arrow_forward
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