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1. (10 points)In the circuit below, a. How does the brightness of the identical bulbs compare?...
2 A. Rank the bulbs according to brightness B. How will the brightness of bulbs 1...
2 A. Rank the bulbs according to brightness B. How will the brightness of bulbs 1 and 3 change if we unscrew bulb 4? C. Starting from the original circuit, how will the brightness of bulbs 2,5, and 6 change if we add a new bulb by connecting it between points D and E?
1. The circuit below contains five identical light bulbs. And we decide that we want to...
1. The circuit below contains five identical light bulbs. And we decide that we want to cut only one wire. What would happen to the brightness of the emboldened bulb if we chose to cut the wire at Point A? What about Point B? Point C? Point D? Point E? mC
Question 3: The circuit below consists of 3 identical bulbs. Initially, the switch is closed and...
Question 3: The circuit below consists of 3 identical bulbs. Initially, the switch is closed and all the bulbs are the same brightness. What will happen to the brightness of bulb A if the switch is opened? Justify your answer switch А B C
Consider the three identical light bulbs shown in the circuit. Bulbs B and C are wired...
Consider the three identical light bulbs shown in the circuit. Bulbs B and C are wired in series with each other and are wired in parallel with bulb A. When the bulbs are connected to the battery as shown, how does the brightness of each bulb compare to the others? Don't forget to write your explanation on your scratch work and upload at the end of this exam for partial credit. Bulbs B and Care equally bright, but bulb A...
(A) For circuit 2 above, rank the bulbs in order of brightness. ( use symbols <,>,=...
(A) For circuit 2 above, rank the bulbs in order of
brightness. ( use symbols <,>,= )
(B) For circuit 3 above, rank the bulbs in order of
brightness. ( use symbols <,>,= )
(C) if bulb B is removed from circuit 2, what will happen to
bulbs A and C? (Choose all that apply)
•A stays the same
•A goes out
•A gets brighter
•A gets dimmer
•C stays the same
• C goes out
• C gets brighter...
In the following circuits, all four light bulbs are identical. a. which circuit has the larger...
In the following circuits, all four light bulbs are identical. a. which circuit has the larger voltage drop across each bulb? b. Which circuit has the lower equivalent resistance? c. Which circuit draws the greater current from the voltage sources? d. Which circuit has brighter bulbs based on your answers to a and c?
A Investigation #11: Non-Identical Bulbs in Series and Parallel All of the circuits you have investigated...
A Investigation #11: Non-Identical Bulbs in Series and Parallel All of the circuits you have investigated so far have involved identical bulbs. If two bulbs are identical and one bulb is brighter, then the brighter bulb must have a larger current thru it. Furthermore, the larger current must be caused by a larger potential difference. In this investigation, you will study circuits for which the bulbs are not identical. We will illustrate that two Spherical bulbs are not identical by...
Question 1: The bulbs in the circuit shown below are all identical. Treat the battery as...
Question 1: The bulbs in the circuit shown below are all identical. Treat the battery as ideal. For each pair of bulbs listed below, indicate which bulb will be brighter. If the two have the same brightness, state that explicitly. In each case, please explain your reasoning • A and C. (Which is brighter and why?) • C and D. . E and F D А B E G H F
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2,...
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2, 3, 4 are series circuits". I? 2 Circuits 5, 6, and 8 are "parallel circuits". 4 Some circuits have one battery, others have two batteries. 6 Now close the switch. Using the "brightness" of the bulb in the simple circuit 1 as the standard for normal" brightness, answer the following questions by specifying the circuit(s) number(s) 5 7 (a) Which circuits had bulbs that...
1. A student observes the relative brightness of bulbs A and B with the switch both...
1. A student observes the relative brightness of bulbs A and B with the switch both open and closed. She finds the following: <(6 Switch open: Bulbs A and B have same brightness. Switch closed: Bulb A is brighter than when the switch was open; Bulb B does not light at all. a. With the switch closed, does current divide and recombine at the junctions? Does it divide evenly or unevenly? Explain. b. When the switch is closed, does the...
2 A. Rank the bulbs according to brightness B. How will the brightness of bulbs 1 and 3 change if we unscrew bulb 4? C. Starting from the original circuit, how will the brightness of bulbs 2,5, and 6 change if we add a new bulb by connecting it between points D and E?
1. The circuit below contains five identical light bulbs. And we decide that we want to cut only one wire. What would happen to the brightness of the emboldened bulb if we chose to cut the wire at Point A? What about Point B? Point C? Point D? Point E? mC
Question 3: The circuit below consists of 3 identical bulbs. Initially, the switch is closed and all the bulbs are the same brightness. What will happen to the brightness of bulb A if the switch is opened? Justify your answer switch А B C
Consider the three identical light bulbs shown in the circuit. Bulbs B and C are wired in series with each other and are wired in parallel with bulb A. When the bulbs are connected to the battery as shown, how does the brightness of each bulb compare to the others? Don't forget to write your explanation on your scratch work and upload at the end of this exam for partial credit. Bulbs B and Care equally bright, but bulb A...
(A) For circuit 2 above, rank the bulbs in order of
brightness. ( use symbols <,>,= )
(B) For circuit 3 above, rank the bulbs in order of
brightness. ( use symbols <,>,= )
(C) if bulb B is removed from circuit 2, what will happen to
bulbs A and C? (Choose all that apply)
•A stays the same
•A goes out
•A gets brighter
•A gets dimmer
•C stays the same
• C goes out
• C gets brighter...
In the following circuits, all four light bulbs are identical. a. which circuit has the larger voltage drop across each bulb? b. Which circuit has the lower equivalent resistance? c. Which circuit draws the greater current from the voltage sources? d. Which circuit has brighter bulbs based on your answers to a and c?
A Investigation #11: Non-Identical Bulbs in Series and Parallel All of the circuits you have investigated so far have involved identical bulbs. If two bulbs are identical and one bulb is brighter, then the brighter bulb must have a larger current thru it. Furthermore, the larger current must be caused by a larger potential difference. In this investigation, you will study circuits for which the bulbs are not identical. We will illustrate that two Spherical bulbs are not identical by...
Question 1: The bulbs in the circuit shown below are all identical. Treat the battery as ideal. For each pair of bulbs listed below, indicate which bulb will be brighter. If the two have the same brightness, state that explicitly. In each case, please explain your reasoning • A and C. (Which is brighter and why?) • C and D. . E and F D А B E G H F
4. Consider the identical light bulbs (e) in the circuit to the right. Circuits 1, 2, 3, 4 are series circuits". I? 2 Circuits 5, 6, and 8 are "parallel circuits". 4 Some circuits have one battery, others have two batteries. 6 Now close the switch. Using the "brightness" of the bulb in the simple circuit 1 as the standard for normal" brightness, answer the following questions by specifying the circuit(s) number(s) 5 7 (a) Which circuits had bulbs that...
1. A student observes the relative brightness of bulbs A and B with the switch both open and closed. She finds the following: <(6 Switch open: Bulbs A and B have same brightness. Switch closed: Bulb A is brighter than when the switch was open; Bulb B does not light at all. a. With the switch closed, does current divide and recombine at the junctions? Does it divide evenly or unevenly? Explain. b. When the switch is closed, does the...
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