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1. In Module 4, we learned the concept of electric current and resistance. Most circuits have more than one resistor, often connected in series, parallel, or combination of series and parallel. (a) Imagine a circuit with two identical bulbs connected one after the other (in series) as shown. Discuss how the brightness of the two bulbs will compare to the brightness of an identical bulh in a single-bulb circuit. Explain your reasoning. (b) Now consider the circuit pictured to the right with the circuit branching to two bulbs and back again. (Two bulbs connected in this way are said to be in parallel.) Discuss how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning.

1. In Module 4, we learned the concept of electric current and resistance. Most circuits have more than one resistor, often connected in series, parallel, or combination of series and parallel. (a) Imagine a circuit with two identical bulbs connected one after the other (in series) as shown. Discuss how the brightness of the two bulbs will compare to the brightness of an identical bulh in a single-bulb circuit. Explain your reasoning. (b) Now consider the circuit pictured to the right with the circuit branching to two bulbs and back again. (Two bulbs connected in this way are said to be in parallel.) Discuss how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. In Module 4, we learned the concept of electric current and resistance. Most circuits have more than one resistor, often connected in series, parallel, or combination of series and parallel. (a) Imagine a circuit with two identical bulbs connected one after the other (in series) as shown. *Discuss* how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning. *Diagram (a):* The diagram shows a simple series circuit with a battery and two bulbs connected in sequence. The current flows from the battery through each bulb one after the other, then back to the battery. (b) Now consider the circuit pictured to the right with the circuit branching to two bulbs and back again. (Two bulbs connected in this way are said to be in parallel.) *Discuss* how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning. *Diagram (b):* The diagram depicts a parallel circuit with a battery and two bulbs connected. The current divides, with each branch having one bulb, and then reunites to complete the circuit.
Transcribed Image Text:1. In Module 4, we learned the concept of electric current and resistance. Most circuits have more than one resistor, often connected in series, parallel, or combination of series and parallel. (a) Imagine a circuit with two identical bulbs connected one after the other (in series) as shown. *Discuss* how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning. *Diagram (a):* The diagram shows a simple series circuit with a battery and two bulbs connected in sequence. The current flows from the battery through each bulb one after the other, then back to the battery. (b) Now consider the circuit pictured to the right with the circuit branching to two bulbs and back again. (Two bulbs connected in this way are said to be in parallel.) *Discuss* how the brightness of the two bulbs will compare to the brightness of an identical bulb in a single-bulb circuit. Explain your reasoning. *Diagram (b):* The diagram depicts a parallel circuit with a battery and two bulbs connected. The current divides, with each branch having one bulb, and then reunites to complete the circuit.
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