A neighborhood requires 8.50 x 104W of power from the local substation. (a) What is the current
Question:
A neighborhood requires 8.50 x 104W of power from the local substation.
(a) What is the current in the wire if the electricity is delivered at 220V?
(b) What is the current in the wire if the electricity is delivered at 6000V?
(c) If the resistance of the power line is 0.250Ω, how much electric power will be converted into heat throughout the 200- V and 6000-V power lines?
(d) Which power line voltage is the more efficient for transmitting electricity?
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a b c P I 2 R 386 A 2 0250 A 37200 W P I 2 ...View the full answer
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Related Book For
Applied Physics
ISBN: 978-0132109277
10th Edition
Authors: Dale ewen, Neill schurter, P. erik gundersen
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