SOLUTION: The resistance, R, of a wire varies directly as its length and inversely as the square of its diameter. If the resistance of a wire 300 feet long with a diameterof 0.26 inches is
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Question 807711: The resistance, R, of a wire varies directly as its length and inversely as the square of its diameter. If the resistance of a wire 300 feet long with a diameterof 0.26 inches is 18386 ohms, what is the resistance of 3100 feet of the same type of wire with a diameter of 0.35 inches? (Leave k in fraction form or round to at least 3 decimal places. Round off your final answer to the nearest hundredth.)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The resistance, R, of a wire varies directly as its length and inversely as the square of its diameter.
If the resistance of a wire 300 feet long with a diameter of 0.26 inches is 18386 ohms, what is the resistance of 3100 feet of the same type of wire with a diameter of 0.35 inches?
(Leave k in fraction form or round to at least 3 decimal places.
Round off your final answer to the nearest hundredth.)
:
= R
Find k
= 18386
= 18386
K =
K = 4.143
"what is the resistance of 3100 feet of the same type of wire with a diameter of 0.35 inches?"
R =
R = 10,482.73 ohms
:
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