Chapter27-question15 A 34.5-m length of copper wire at 20.0°C has a radius of 0.25 mm. If the wire is heated to 60.0°C while the 15.00-V potential difference is maintained, what is the resulting current (in A) in the wire? (Pcu 10-8 n. m, a = 3.90 × 10-/°C) = 1.70 × Option1 Option2 Option3 Option4 OptionS 7.10 6.70 4.34 2.90 1.40

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Chapter1: Units, Trigonometry. And Vectors
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chapter27-question15
A 34.5-m length of copper wire at 20.0°C has a radius of 0.25 mm. If the wire is heated to 60.0°C while the
15.00-V potential difference is maintained, what is the resulting current (in A) in the wire? (Pcu = 1.70 ×
10-8 N· m, a = 3.90 × 10/°C)
Option1
Option2
Option3
Option4 Option5
7.10
6.70
4.34
2.90
1.40
a)
Option3
b) O Option5
c) O Option4
d) O Option2
e) O Option1
Transcribed Image Text:8 - chapter27-question15 A 34.5-m length of copper wire at 20.0°C has a radius of 0.25 mm. If the wire is heated to 60.0°C while the 15.00-V potential difference is maintained, what is the resulting current (in A) in the wire? (Pcu = 1.70 × 10-8 N· m, a = 3.90 × 10/°C) Option1 Option2 Option3 Option4 Option5 7.10 6.70 4.34 2.90 1.40 a) Option3 b) O Option5 c) O Option4 d) O Option2 e) O Option1
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