field in the wire? 10. What length of a certain metal wire of diameter 0.15 mm is needed for the wire to have a resistance of 15 2? The resistivity of this metal is 1.68 × 10-8 n•m. 47
field in the wire? 10. What length of a certain metal wire of diameter 0.15 mm is needed for the wire to have a resistance of 15 2? The resistivity of this metal is 1.68 × 10-8 n•m. 47
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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what length of a certain metal wire of diameter 0.15 mm is needed for the wire to have a resistance of 15 ohm? The resistivity of this metal is 1.68 x 10^-8 ohm • m
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9. The resistivity of gold is 2.44 x 10-8 • m
0.9 mm in diameter and 14 cm long carries a current of 940 mA. What is the electric
room temperature. A gold wire that is
field in the wire?
10. What length of a certain metal wire of diameter 0.15 mm is needed for the wire to
have a resistance of 15 N? The resistivity of this metal is 1.68 × 10-8 2• m.
47
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A T10-V hair dryer is rated at 1200 W. What current will it draw when operating
from a 110-V electrical outlet?
w much current will be flowing through a 40.0 m length of cylindrical metal
resistivity of this metal is 1.68 x 10-8 2 m.
What is the resistance of the furnace?
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