The characteristics of five wires are given in the table. Wire Material Length G
ID: 2169080 • Letter: T
Question
The characteristics of five wires are given in the table.Wire Material Length Gauge A iron 2.0 m #22 B copper 2.0 m #22 C copper 2.0 m #18 D copper 1.0 m #18 E iron 2.0 m #18
The gauge is a measure of the diameter of the wire; and #18 corresponds to a diameter of 1.2 The characteristics of five wires are given in the table.
Wire Material Length Gauge A iron 2.0 m #22 B copper 2.0 m #22 C copper 2.0 m #18 D copper 1.0 m #18 E iron 2.0 m #18
The gauge is a measure of the diameter of the wire; and #18 corresponds to a diameter of 1.2 Wire Material Length Gauge A iron 2.0 m #22 B copper 2.0 m #22 C copper 2.0 m #18 D copper 1.0 m #18 E iron 2.0 m #18
The gauge is a measure of the diameter of the wire; and #18 corresponds to a diameter of 1.2 Wire Material Length Gauge A iron 2.0 m #22 B copper 2.0 m #22 C copper 2.0 m #18 D copper 1.0 m #18 E iron 2.0 m #18
Explanation / Answer
A:
R = L/A = 9.7e-8*2/(3.1416*6.4e-4*6.4e-4/4) = 0.60
B:
R = L/A = 1.72e-8*2/(3.1416*6.4e-4*6.4e-4/4) = 0.11
C:
R = L/A = 1.72e-8*2/(3.1416*1.2e-4*1.2e-4/4) = 3.0
D:
R = L/A = 1.72e-8*1/(3.1416*1.2e-4*1.2e-4/4) = 1.5
E:
R = L/A = 9.7e-8*2/(3.1416*1.2e-4*1.2e-4/4) = 17
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