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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5. A 6.00 uf capacitor with an initial charge of 1200 µC is discharged through a 4.0 M2
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b) What is the charge that remains on the capacitor after 12.0s?
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1/241
T-24 See
2=4.7 x10-
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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?
An uncharged capacitor with C=43μF and a resistor with R=75Ω are connected in series with a battery of ϵ=7.5 V.
a. Express the time constant τ in terms of R and C.
b. Calculate the numerical value of τ in microseconds.
c. Express the maximum charge Q on the capacitor in terms of C and ϵ.
d. Calculate the numerical value of Q in microcoulombs.
Chapter 22 Solutions
College Physics: A Strategic Approach (4th Edition)
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