The thickness of a copper wire is measured as 0.00036 inches. Show step by step how to convert the thickness in engineering notation with its respective prefix symbol. The resistance of a silver wire can be calculated by the following formula: Resistance (in N) = p x l/A Where p is the resistivity of the material at room temperature (20°C), I is the length of the wire in meter, and A is the cross section area of the wire in meter If the resistivity of the silver wire is 1.59x10-8 2.m, what will be the cross section area of the wire, A, if i resistance is 100 Q and the length of wire is 800 meters?

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter27: Service-entrance Equipment
Section: Chapter Questions
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1. The thickness of a copper wire is measured as 0.00036 inches. Show step by step how to convert the
thickness in engineering notation with its respective prefix symbol.
2. The resistance of a silver wire can be calculated by the following formula:
Resistance (in 1) = p x 1/A
Where p is the resistivity of the material at room temperature (20°C), l is the length of the wire in meter,
and A is the cross section area of the wire in meter
If the resistivity of the silver wire is 1.59x10-8 2.m, what will be the cross section area of the wire, A, if its
resistance is 100 2 and the length of wire is 800 meters?
Transcribed Image Text:1. The thickness of a copper wire is measured as 0.00036 inches. Show step by step how to convert the thickness in engineering notation with its respective prefix symbol. 2. The resistance of a silver wire can be calculated by the following formula: Resistance (in 1) = p x 1/A Where p is the resistivity of the material at room temperature (20°C), l is the length of the wire in meter, and A is the cross section area of the wire in meter If the resistivity of the silver wire is 1.59x10-8 2.m, what will be the cross section area of the wire, A, if its resistance is 100 2 and the length of wire is 800 meters?
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