College Physics: A Strategic Approach (4th Edition)
4th Edition
ISBN: 9780134609034
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 66GP
The graph in Figure P22.66 shows the current through a 1.0 Ω resistor as a function of time.
Figure P22.66
a. How much charge flowed through the resistor during the 10 s interval shown?
b. What was the total energy dissipated by the resistor during this time?
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The graph shows the current through a 1.0 Ω resistor as a function of time.a. How much charge flowed through the resistor during the 10 s interval shown?b. What was the total energy dissipated by the resistor during this time?
5. A 6.00 uf capacitor with an initial charge of 1200 µC is discharged through a 4.0 M2
resistor.
a) Calculate the magnitude of the current in the resistor 12.0 s after the resistor is
connected across the terminals of the capacitor.
VC = (1- e24)
%3D
4E6
1.2NO
-10
b) What is the charge that remains on the capacitor after 12.0s?
2=Q (1-e-Tha
1/241
T-24 See
2=4.7 x10-
%3D
c) How much energy has the capacitor dissipated through the resistor in those 12 s?
(Hint: energy is the integral of the power with respect to time.)
12
8.31 xio4
12
A circuit loop containing an external resistor of value R = 25.0 (ohms) is connected to a real battery with an internal emf = 20.0 V that has an internal resistance of R = 1.50 (ohms).
a. How much power is lost due to the internal resistance in the power supply, in Watts?
b. How much energy is lost in the external resistor (R), in Watts?
Chapter 22 Solutions
College Physics: A Strategic Approach (4th Edition)
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