Answered: Determining the ohmic value and…

Engineering

Electrical Engineering

Determining the ohmic value and tolerance of resistors using the color code.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems

Section: Chapter Questions

Problem 2RQ

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Question

what are the importance of:

1. Determining the ohmic value and tolerance of resistors using the color code.
2. Measuring the value of resistors using an ohmmeter.
3. Calculating current flow through resistors and demonstrate the relationship of current to voltage and resistance, using a milliammeter and electronic VOM.
5. Demonstrating that electrical power is a function of voltage and current by calculating and measuring the power dissipated in resistance as the voltage is increased.
6. Determining that the resistance of a lamp filament varies with temperature.

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