Electrical Resistance - Definition, Unit, Formula, Measurement
Electrical Resistance - Definition, Unit, Formula, Measurement
Jan 8, 2016
byjus.com
SOLVED: Electrical Resistance The resistance R of a wire varies directly as its length L and inversely as the square of its diameter d .(a) Write an equation that expresses this joint variation.(b) Find the constant of proportionality if a wire 1.2 m long and 0.005 m in diameter has a resistance of 140 ohms.(c) Find the resistance of a wire made of the same material that is 3 m long and has a diameter of 0.008 m.
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