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1. When a resistor with resistance R is connected to a 1.50 V flashlight battery, the resistor consumes 0.0625 W of electrical power. (Throughout, assume that each battery has negligible internal resistance.) (a) What power does the resistor consume if it is connected to a 12.6 V car battery? Assume that R remains constant when the power consumption changes. (b) The resistor is connected to a battery and consumes 5.00 W. What is the voltage of this battery?

1. When a resistor with resistance R is connected to a 1.50 V flashlight battery, the resistor consumes 0.0625 W of electrical power. (Throughout, assume that each battery has negligible internal resistance.) (a) What power does the resistor consume if it is connected to a 12.6 V car battery? Assume that R remains constant when the power consumption changes. (b) The resistor is connected to a battery and consumes 5.00 W. What is the voltage of this battery?

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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B. Answer #1
Interpret and Navigate A. Using the color chart above, decode the value of the following resistors and indicate the tolerance: 1. Brown, Black, Red, Gold. 2. Yellow Violet, Yellow, Gold. 3. Brown, Black, Green, Gold. 4. Blue, Grey, Black, Gold. 5. Orange, White, Orange, Gold., B. Read and analyze each of the following items provided below. You may use another sheet of paper for this if the space is not enough. Show all the necessary work. DON'T FORGET TO USE GRESA. 1. When a resistor with resistance R is connected to a 1.50 V flashlight battery, the resistor consumes 0.0625 W of electrical power. (Throughout, assume that each battery has negligible internal resistance.) (a) What power does the resistor consume if it is connected to a 12.6 V car battery? Assume that R remains constant when the power consumption changes. (b) The resistor is connected to a battery and consumes 5.00 w. What is the voltage of this battery? 2. A person with body resistance between his hands of 10 kn accidentally grasps the terminals of a 14 KV power supply. (a) If the internal resistance of the power supply is 2000 Q, what is the current through the person's body? (b) What is the power dissipated in his body? (c) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in the above situation to be 1.00 mA or less?
Transcribed Image Text:Interpret and Navigate A. Using the color chart above, decode the value of the following resistors and indicate the tolerance: 1. Brown, Black, Red, Gold. 2. Yellow Violet, Yellow, Gold. 3. Brown, Black, Green, Gold. 4. Blue, Grey, Black, Gold. 5. Orange, White, Orange, Gold., B. Read and analyze each of the following items provided below. You may use another sheet of paper for this if the space is not enough. Show all the necessary work. DON'T FORGET TO USE GRESA. 1. When a resistor with resistance R is connected to a 1.50 V flashlight battery, the resistor consumes 0.0625 W of electrical power. (Throughout, assume that each battery has negligible internal resistance.) (a) What power does the resistor consume if it is connected to a 12.6 V car battery? Assume that R remains constant when the power consumption changes. (b) The resistor is connected to a battery and consumes 5.00 w. What is the voltage of this battery? 2. A person with body resistance between his hands of 10 kn accidentally grasps the terminals of a 14 KV power supply. (a) If the internal resistance of the power supply is 2000 Q, what is the current through the person's body? (b) What is the power dissipated in his body? (c) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in the above situation to be 1.00 mA or less?
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