A copper bar has a length of 20 ft. width of 4 inches and thickness of 0.5 inch, If the resistivity of copper is 10.37 Q-cm/ft, what is the resistance of the bar? O 0.0820m Ohms O 0.0815m Ohms O 0.0816m Ohms O 0.0814m Ohms
A copper bar has a length of 20 ft. width of 4 inches and thickness of 0.5 inch, If the resistivity of copper is 10.37 Q-cm/ft, what is the resistance of the bar? O 0.0820m Ohms O 0.0815m Ohms O 0.0816m Ohms O 0.0814m Ohms
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter13: Heating Control Devices
Section: Chapter Questions
Problem 28RQ
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KVL and KCL
KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.
Sign Convention
Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.
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