Al = 10m long cylindrical wire made of gold (resis- tivity pAu = 2.44 × 10¬* N m at To = 20° C, temperature coefficient aAu = 3.4 x 10-3 (°C)¯') has a resistance of R= 12. %3D 8 a: What is the radius r of the wire? b: If the wire is twice as long, the radius is ... 1. twice as big O 2. V2 larger O 3. a fourth O c: What is the resistance of the wire at T = 1000° C?
Al = 10m long cylindrical wire made of gold (resis- tivity pAu = 2.44 × 10¬* N m at To = 20° C, temperature coefficient aAu = 3.4 x 10-3 (°C)¯') has a resistance of R= 12. %3D 8 a: What is the radius r of the wire? b: If the wire is twice as long, the radius is ... 1. twice as big O 2. V2 larger O 3. a fourth O c: What is the resistance of the wire at T = 1000° C?
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 42P: What current flows through a 2.54-cm-diameter rod of Pure silicon that is 20.0 cm long, when 1.00103...
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