resistance of 20Ω. Determine the resistance of a wire of the same length and material if the cross-sectional area is 4mm2, the cross-sectional area of a wire of the same length and material if the resistance is 32Ω.
resistance of 20Ω. Determine the resistance of a wire of the same length and material if the cross-sectional area is 4mm2, the cross-sectional area of a wire of the same length and material if the resistance is 32Ω.
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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Question
Some wire of cross-sectional area 1mm2 has a resistance of 20Ω. Determine
- the resistance of a wire of the same length and material if the cross-sectional area is 4mm2,
the cross-sectional area of a wire of the same length and material if the resistance is 32Ω.
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