Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 20.3, Problem 2bTH
A long time after the switch is closed:
• rank the currents
•what is the potential difference across bulb A, bulb B, the capacitor C, and the battery?Explain.
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Students have asked these similar questions
During an action potential, Na+ ions move into the
2
cell at a rate of about 3 × 10¯7mol/m² . • S.
Part A
How much power must be produced by the "active Na+ pumping" system to produce this flow
against a +30-mV potential difference? Assume that the axon is 80 cm long and 30 μm in
diameter.
Express your answer using two significant figures.
What is the capacitance?
Two parallel 5.0-cm-diameter flat aluminum electrodes are
spaced 0.50 mm apart. The electrodes are connected to a
100 V battery.
Express your answer with the appropriate units.
• View Available Hint(s)
HA
?
C = 34.75
nF
Submit
Previous Answers
X Incorrect; Try Again; 5 attempts remaining
Part B
What is the magnitude of the charge on each electrode?
Express your answer with the appropriate units.
• View Available Hint(s)
HA
?
Q = 3.475
nc
Submit
Previous Answers
Pearson
Capacitors C1 = 10 µF and C2 = 20 µF are each charged to 26 V,
then disconnected from the battery without changing the charge on the
capacitor plates. The two capacitors are then connected in parallel,
with the positive plate of C1 connected to the negative plate of C, and
vice versa
Afterward, what is the charge on each capacitor?
Express your answer using two significant figures. Enter your answers numerically separated by a comma.
• View Available Hint(s)
ΠV ΑΣφ
?
Q1, Q2 =
µč
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 24 attempts remaining
Part B
What is the potential difference across each capacitor?
Express your answer using two significant figures. Enter your answers numerically separated by a comma.
• View Available Hint(s)
| ΑΣφ
?
AVi, AV½ =
V
Chapter 20 Solutions
Tutorials in Introductory Physics
Ch. 20.1 - In tutorial, you compared the relative brightness...Ch. 20.1 - Use the model for electric current to rank the...Ch. 20.1 - Rang the brightness of the bulbs. Explain your...Ch. 20.1 - A wire is now added to the circuit as shown. i....Ch. 20.1 - Rank the networks according to their equivalent...Ch. 20.1 - How does adding a single bulb to a circuit in...Ch. 20.1 - How does adding a single bulb to a circuit in...Ch. 20.1 - The network AE above are connected, in turn, to...Ch. 20.1 - Rank the bulbs in order from brightest to dimmest....Ch. 20.1 - Suppose that a switch has been added to the...
Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - The circuit at right consists of a bulb in series...Ch. 20.2 - In the circuit at right, the voltage across bulb 1...Ch. 20.2 - Prob. 2bTHCh. 20.2 - Box A and box B are now interchanged. It is...Ch. 20.2 - Consider the circuit as shown. i. Rank bulbs A, B,...Ch. 20.2 - b. A student cuts the write between bulbs A and C...Ch. 20.2 - Consider the following discussion between two...Ch. 20.2 - Rank bulbs 16 in order or brightness. Explain your...Ch. 20.2 - Rank the voltages across the bulbs. Explain your...Ch. 20.2 - Write an equation that relates the voltage across...Ch. 20.2 - Bulb 1 is removed from its socket. i. Does the...Ch. 20.3 - Describe the behavior of the bulb in the two...Ch. 20.3 - A second identical bulb is flow added to the...Ch. 20.3 - Just after the switch is closed: • what is the...Ch. 20.3 - A long time after the switch is closed: • rank the...Ch. 20.3 - Summarize your results by describing the behavior...
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- (Figure 1)In the figure are shown three capacitors with capacitances Ci = 6.00 µF, C2 = 3.00 µF, C3 = 5.00 µF. The capacitor network is connected to an applied potential Vab . After the charges on the capacitors have reached their final values, the charge Q2 on the second capacitor is 40.0 μC. Part A What is the charge Q1 on capacitor C1? • View Available Hint(s) ? Q1 μC Submit Part B Figure < 1 of 1 What is the charge on capacitor C3 ? Express your answer in microcoulombs to three significant figures. • View Available Hint(s) a C2 d µč b Submit C3arrow_forwardPart A The capacitor in the figure (Figure 1)begins to charge after the switch closes at t =0 s. What is AV c a very long time after the switch has closed? O 2. E O 0 Submit Request Answer • Part B 6 What is Qmar in terms of E. R and C? να ΑΣφ ? Submit Request Answer Part C In this circuit, does I=+dQ/dt or -dQ/dt? O I= +dQ/dt O I=-dQ/dt Submit Request Answer Part D Figure < 1 of 1 Find an expression for the current I at time t. Express your answer in terms of some or all of the variables E, R, C, and t. Closes at /= (0 s R Submit Request Answerarrow_forwardPhysics Questionarrow_forward
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