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If two resistors are connected in parallel and R1 is shorted, what are the current and voltage in R2? Explain

If two resistors are connected in parallel and R1 is shorted, what are the current and voltage in R2? Explain

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter2: Basic Electricity
Section: Chapter Questions
Problem 30RQ: True or False: Ohms law applies to all types of electrical circuits.
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  1. If two resistors are connected in parallel and R1 is shorted, what are the current and voltage in R2? Explain
  2. If two resistors are connected in parallel and R1 is open, what are the current and voltage in R2? Explain
  3. Which has more excellent equivalent resistance, those resistors in parallel or those in series? Explain
As a design engineer, you are asked to design a lighting system consisting of a 70W power supply and two lightbulbs, as shown. You must select the two bulbs from the following three available bulbs. 6 pesos 9 pesos 7 pesos R = 80 ohms, cost 90 ohms, cost R2 R3 100 ohms, cost The system should be designed for minimum cost such that it lies within the range I = 1.5A with a tolerance of 5 percent. %3D I 70 W Power Supply
Transcribed Image Text:As a design engineer, you are asked to design a lighting system consisting of a 70W power supply and two lightbulbs, as shown. You must select the two bulbs from the following three available bulbs. 6 pesos 9 pesos 7 pesos R = 80 ohms, cost 90 ohms, cost R2 R3 100 ohms, cost The system should be designed for minimum cost such that it lies within the range I = 1.5A with a tolerance of 5 percent. %3D I 70 W Power Supply
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