Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
5th Edition
ISBN: 9780134402659
Author: GIANCOLI, Douglas
Publisher: PEARSON
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Chapter 30, Problem 68GP
At time t = 0, the switch in the circuit shown in Fig. 30–30 is closed. After a sufficiently long time, steady currents I1, I2 and I3 flow through resistors R1, R2, and R3, respectively. Determine these three currents.
FIGURE 30–30 Problem 73.
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59 In Fig. 27-51, R₁ = 20.0 2, R₂ = 10.0 2, and the ideal bat-
tery has emf & = 120 V. What is the current at point a if we close
(a) only switch S₁, (b) only switches S₁ and S₂, and (c) all three
switches?
Figure 27-51 Problem 59.
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S₂
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R₁
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LwIw Im
R₁
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R₂
79 SSM In Fig. 30-71, the battery is
ideal and & - 10 V, R = 5.0 N,
R2 = 10 0, and L = 5.0 H. Switch S
is closed at time t= 0. Just
afterwards, what are (a) i, (b) iz,
(c) the current is through the switch,
(d) the potential difference V2
across resistor 2, (e) the potential
difference V across the inductor,
and (f) the rate of change dildr? A
long time later, what are (g) i. (h) iz.
(i) is. (j) V2, (k) V1, and (1) dizldr?
%3D
3,
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Re
Figure 30-71 Problem 79.
In the shown circuit, the capacitor is initially uncharged. The switch S is closed at time t=0. Find the current in the circuit (in µA) when the charge
on the capacitor is 7.5 µC.
10 V
2.0uF
0 05 MO
«k Question 2 of 12
Chapter 30 Solutions
Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
Ch. 30 - Prob. 1QCh. 30 - Prob. 2QCh. 30 - Prob. 3QCh. 30 - Prob. 4QCh. 30 - If you are given a fixed length of wire, how would...Ch. 30 - Prob. 6QCh. 30 - Prob. 7QCh. 30 - Prob. 8QCh. 30 - What keeps an LC circuit oscillating even after...Ch. 30 - In an ac LRC circuit, if XL XC, the circuit is...
Ch. 30 - Prob. 13QCh. 30 - Under what conditions is the impedance in an LRC...Ch. 30 - Is it possible for the instantaneous power output...Ch. 30 - In an ac LRC circuit, does the power factor, cos,...Ch. 30 - Describe briefly how the frequency of the source...Ch. 30 - Prob. 18QCh. 30 - In an LRC circuit, the current and the voltage in...Ch. 30 - Compare the oscillations or an LRC circuit to the...Ch. 30 - Prob. 4PCh. 30 - Prob. 28PCh. 30 - Prob. 29PCh. 30 - Prob. 30PCh. 30 - (II) (a) What is the rms current in a series LR...Ch. 30 - (I) What is the resonant frequency of the LRC...Ch. 30 - At time t = 0, the switch in the circuit shown in...Ch. 30 - Prob. 70GPCh. 30 - Show that the fraction of electromagnetic energy...
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