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 6.2, Problem 3cT
Both circuits al right have more than one path for the current. Sketch all possible current loops on the diagrams. (A “current loop” is a single path of conductors that connects one side of the battery to the other.)
For each of the current loops you have drawn, calculate the sum of the potential differences across the bulbs in that loop. (Use the measurements you made above.)
How do the sums of the potential differences across the bulbs in each loop compare to the potential difference across the battery?
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Please fill out the template below with the work for this problem. Note that you need to have a picture, a list of knowns and unknowns, the general equation/s you will use, and the math steps to solve for the unknown, only plug in the numbers after you have solved for the unknown, and the answer with units included.
Question 1: A current of 2.72 A flows through a wire. How many electrons flow past a particular point in the wire every 15 seconds?
Consider the diagram at the right of a parallel circuit. Each light bulb in the circuit has an identical resistance. Use the labeled points on the diagram to answer the following questions. Each question may have one, less than one, or more than one answer.
a. The electric potential at point A is the same as the electric potential at point(s) ____. Include all that apply, if any apply.
b. The electric potential at point D is the same as the electric potential at point(s) ____. Include all that apply, if any apply.
c. The electric potential at point J is the same as the electric potential at point(s) ____. Include all that apply, if any apply.
d. The electric potential difference between points A and J is the same as the electric potential difference between points ___ and ____. Include all that apply, if any apply.
e. The electric potential difference between points D and G is the same as the electric potential difference between points ___ and ____. Include all that apply, if any…
9 V
B. The circuit at right is made from an ideal battery
connected to 4 ideal resistors as shown.
i.
What is the total resistance of this circuit?
Show your work.
R4= 352
R1 = 152
R3 = 452
ii.
Find the current through each of the 4
resistors. Show your work.
R2= 752
iii.
Rank the potential difference across the 4 resistors from greatest to least. Explain
your reasoning.
iv.
If resistor R3 is cut out of the circuit, without replacing it with anything, will the
current through resistor R2 increase, decrease, or stay the same? Explain your answer or
show your work.
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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