Answer number 5 only CHECK YOUR UNDERSTANDING1. What is the smallest value of resistance that can be used across a 100 Vdc source if thepower dissipated is not to exceed 50 W?2. If the voltage across a resistance is doubled, what will happen to the power absorbed bythe resistor?3. A resistor of 100 Q has a charge flowing through it at the rate of 300 coulombs perminute. How much power is dissipated?4. A 10-kQ resistor has a rating of 100 W. What are the maximum current and themaximum voltage that can be applied to the resistor?5. A dc motor draws a current of 40A at 220V. If 800 W is dissipated in the form of heat inthe motor, how much power is available for mechanical work?

DC Machine: A machine is a device in which we have to give electrical input to get mechanical output…

CHECK YOUR UNDERSTANDING 1. What is the smallest value of resistance that can be used across a 100 Vdc source if the power dissipated is not to exceed 50 W? 2. If the voltage across a resistance is doubled, what will happen to the power absorbed by the resistor? of 300 coulombs per 3. A resistor of 100 2 has a charge flowing through it at the minute. How much power is dissipated? 4. A 10-kN resistor has a rating of 100 W. What are the maximum current and the maximum voltage that can be applied to the resistor? 5. A dc motor draws a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power is available for mechanical work? ratę

CHECK YOUR UNDERSTANDING 1. What is the smallest value of resistance that can be used across a 100 Vdc source if the power dissipated is not to exceed 50 W? 2. If the voltage across a resistance is doubled, what will happen to the power absorbed by the resistor? of 300 coulombs per 3. A resistor of 100 2 has a charge flowing through it at the minute. How much power is dissipated? 4. A 10-kN resistor has a rating of 100 W. What are the maximum current and the maximum voltage that can be applied to the resistor? 5. A dc motor draws a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power is available for mechanical work? ratę

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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1. What is the smallest value of resistance that can be used across a 100 Vdc source if the power dissipated is not to exceed 50 W? 2. If the voltage across a resistance is doubled, what will happen to the power absorbed by the resistor? 3. A resistor of 100 Ω has a charge flowing through it at the rate of 300 coulombs per minute. How much power is dissipated? 4. A 10-kΩ resistor has a rating of 100 W. What are the maximum current and the maximum voltage that can be applied to the resistor? 5. A dc motor draws a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power is available for mechanical work?
1. What is the smallest value of resistance that can be used across a 100 Vdc source if the power dissipated is not to exceed 50 W? 2. If the voltage across a resistance is doubled, what will happen to the power absorbed by theresistor? 3. A resistor of 100 Ω has a charge flowing through it at the rate of 300 coulombs per minute. How much power is dissipated? 4. A 10-kΩ resistor has a rating of 100 W. What are the maximum current and the maximum voltage that can be applied to the resistor? 5. A dc motor draws a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power is available for mechanical work?
Solve the following Numerical problems a. What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge? b. A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load? c. If one branch of a 120-V power line is protected by a fuse of 20-A. Will the fuse carry 10-Ohm load? d. If total resistance of a series circuit is 280-Ohm. If one of the resistance is 160-Ohm. What is the sum of other two resistances?
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