The heating unit for an electronic iron has a resistance of 12Ω. If the cross-section of the material is rectangular (0.0045 x 0.125) in and its total length is 13ft. Determine the resistivity of the material used.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems
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  1. The heating unit for an electronic iron has a resistance of 12Ω. If the cross-section of the material is rectangular (0.0045 x 0.125) in and its total length is 13ft. Determine the resistivity of the material used.
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