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 6.1, Problem 4aT
The circuit at tight contains three identical bulbs and an ideal battery. Assume that the resistance of the switch, when closed, is negligible. Use the model we have developed to:
• predict the relative brightness of the bulbs in the circuit with the switch closed. Explain.
• predict how the brightness of bulb A changes when the switch is opened. Explain.
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In the circuit in (Figure 1), a 20-ohm resistor sits inside 114 g of pure water that is
surrounded by insulating Styrofoam.
Part A
If the water is initially at temperature 10.8 ° C, how long will it take for its temperature to rise to 58.7 °C?
Use 4190 J/kg .°C as the specific heat of water, and express your answer in seconds using three significant figures.
• View Available Hint(s)
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Figure
1 of 1
10.0 N
10.0 N
20.0 N
10.0 N
10.0 N
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5.0 2
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• Complete the following exercises and submit them for grading.
Exercise I Using the color chart above, decode the value of the
following resistors and indicate the tolerance:
• I. Brown, Black, Red, Gold.
• 2. Yellow Violet, Yellow, Gold.
3. Brown, Black, Green, Gold.
4. Blue, Grey, Black, Gold, Yellow, Red.
5. Orange, White, Orange,Violet, Green.
Part A
Determine the equivalent resistance of the ladder" of equal 140-S2 resistors shown in the figure. In other words, what resistance would an ohmmeter read if connected between points A and B? (Figure 1)
Express your answer with the appropriate units.
R
Value
Units
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• Part B
What is the current through resistor a if a 65.0-V battery is connected between points A and B?
Express your answer with the appropriate units.
igure
1 of 1 >
Value
Units
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• Part C
What is the curent through resistor b?
Express your answer with the appropriate units.
Is
Value
Units
Chapter 6 Solutions
Tutorials in Introductory Physics
Ch. 6.1 - Obtain a battery, a light bulb, and a single piece...Ch. 6.1 - A student has briefly connected a wire across the...Ch. 6.1 - Light a bulb using a battery and a single wire....Ch. 6.1 - Carefully examine a bulb. Two wires extend from...Ch. 6.1 - Compare the brightness of the two bulb with each...Ch. 6.1 - Compare the brightness of each of the bulbs in the...Ch. 6.1 - We may think of a bulb as percentage an obstacle,...Ch. 6.1 - Compare the brightness of the bulbs in this...Ch. 6.1 - Is the brightness of each bulb in the two-bulb...Ch. 6.1 - Formulate a rule for predicting how the current...
Ch. 6.1 - Does the amount of current through a battery seem...Ch. 6.1 - Unscrew one of the bulbs in the two-bulb parallel...Ch. 6.1 - The circuit at tight contains three identical...Ch. 6.1 - Show that a simple application of the model for...Ch. 6.2 - The circuits at right contain identical batteries,...Ch. 6.2 - The circuits at right contain identical batteries...Ch. 6.2 - Predict the relative brightness of bulbs...Ch. 6.2 - Set up the circuit with a single bulb and the...Ch. 6.2 - Set up the circuit containing two bulbs in series...Ch. 6.2 - Predict what the voltmeter would read if it were...Ch. 6.2 - Set up the circuit with two bulbs in parallel as...Ch. 6.2 - Answer the following questions based on the...Ch. 6.2 - Set up the circuit with three bulbs as shown and...Ch. 6.2 - Before setting up the circuit shown at right:...Ch. 6.2 - Both circuits al right have more than one path for...Ch. 6.3 - A capacitor is connected to a battery, bulb, and...Ch. 6.3 - Remove the capacitor and the bulb from the...Ch. 6.3 - Suppose an uncharged capacitor is connected in...Ch. 6.3 - Suppose that instead of connecting the uncharged...Ch. 6.3 - Suppose that the bulbs were connected in parallel...Ch. 6.3 - After completing the experiments above, two...Ch. 6.3 - Suppose that a different capacitor of smaller...Ch. 6.3 - Before connecting the circuit a student makes the...Ch. 6.3 - Make the following prediction on the basis of your...
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