A copper wire of cross-sectional area 2.00 x 10-6 m2 and length 4.00 m has a current
Question:
A copper wire of cross-sectional area 2.00 x 10-6 m2 and length 4.00 m has a current of 2.00 A uniformly distributed across that area.
(a) What is the magnitude of the electric field along the wire?
(b) How much electrical energy is transferred to thermal energy in 30 min?
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Step by Step Answer:
a Using Table 261 and Eq 2610 or Eq 2611 we have 200 A 20010 m pJ1...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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