2. A solid aluminum cylinder has a length of 2000m. What cross- sectional area would this cylinder need to be if it is to have a resistance of 2 Ohms? What current would flow if this cylinder has a potential difference of 1 kV and what power would be dissipated as heat. Note: PaL= 2.75 Q.m

2. A solid aluminum cylinder has a length of 2000m. What cross- sectional area would this cylinder need to be if it is to have a resistance of 2 Ohms? What current would flow if this cylinder has a potential difference of 1 kV and what power would be dissipated as heat. Note: PaL= 2.75 Q.m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 28PE: What current flows through a 2.54-cm-diameter rod of pure silicon that is 20.0 cm long, when 1,00 ...

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Question

2. A solid aluminum cylinder has a length of 2000m. What cross-
sectional area would this cylinder need to be if it is to have a
resistance of 2 Ohms? What current would flow if this cylinder has
a potential difference of 1 kV and what power would be dissipated
as heat. Note: Pa= 2.75 Q.m

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