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 20.1, Problem 3bTH
A wire is now added to the circuit as shown.
i. Does the brightness of bulb C increase, decrease, or remain the same? Explain your reasoning.
ii. Does the brightness of bulb Aincrease, decrease, or remain the same? Explain.
iii. Does the current through the battery increase, decrease or remain the same? Explain.
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1. a) For the circuit below, what is the terminal voltage of the battery? b) If resistor R is added in parallel to the circuit as shown, what is the effect on the terminal voltage? (increasing, no change, decreasing) c) Using principles of physics, explain the choice for b).
In circuit 6, how is bulb C connected to A and B? Parallel
What are the total resistance Rtot and the current flowing from the battery I in circuit 6?Rtot = _____ ΩI = _____ A
If the EMF is 12 V, then determine the following. (a) What is the equivalent resistance of the circuit in the diagram? (b) What is the voltage across the 4.0 Ω resistor? (c) What is the current in the 3.0 Ω resistor? (d) Show your steps in the process of reducing the circuit.
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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