Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 6.1, Problem 2cT
We may think of a bulb as percentage an obstacle, or resistance, to the current in the circuit.
1. Thinking of the bulb in this way, would adding more bulbs in series cause the total obstacle to the flow, or total resistance, to increase, decrease, or stay the same as before?
2. Formulate a rule for predicting how the current through the battery would change (i.e., whether it would increase, decrease, or remain the same) if the number of bulbs connected in series were increased or decreased.
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1. Draw a circuit diagram for a circuit with one battery and three light bulbs in parallel.
2. A circuit has one battery and two light bulbs in parallel. One bulb has a resistance of 22 and
the second bulb has a resistance of 3N. The total resistance for two bulbs in parallel is equal
to the product of their resistances divided by the sum of their resistances. Find the total
resistance of the circuit.
R1x R2
R1+R2
Use the equation: Rtotal
Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is
then connected in series with a 30.0 Ω resistor. The combination is placed
across a 120. V potential difference.
1.Draw a schematic diagram of the circuit using correct symbols.
2.What is the equivalent resistance of the parallel portion of the circuit?
3.What is the equivalent resistance for the entire circuit?
4.What is the total current in the circuit?
5.What is the voltage drop across the 30.0 Ω resistor?
6.What is the voltage drop across the parallel portion of the circuit?
7.What is the current through each resistor?s
2.1:Draw a circuit diagram of the circuit
2.2:Briefly explain how to connect an ammeter to measure the current in the circuit.
2.3:Briefly explan how to connect a voltmeter to measure the potential difference across a resistor in the circuit.
2.4: explain whether it matters where the ammeter is connected in the circuit.
2.5:explain whether it matters where the voltemeter is connected in the circuit.
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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