Moreno Whittaker
01/18/2024 · High School
The resistance \( R \) of a wire varies directly as its length \( L \) and inversely as the square of its diameter \( d \). Find the constant of proportionality \( K \) if a wire 1.3 m long and 0.001 m in diameter has a resistance of 13 ohms . Find the resistance \( R_{1} \) of a wire made of the same material that is 2 m long and has a diameter of 0.002 m . a. \( K=0.00001 ; R_{1}=5 \) b. \( K=0.00001 ; R_{1}=0.01 \) c. \( K=0.00001 ; R_{1}=18.2 \) d. \( K=0.000001 ; R_{1}=7.78 \) e. \( K=0.000001 ; R_{1}=0.5 \)
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\( K=0.00001 ; R_{1}=5 \)
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