Question 2: A cylindrical conductor of length (L), diameter (D), and resistivity (ρ) has a resistance (R). Another cylindrical conductor of length (L), diameter (D/2) and same resistivity (ρ). Determine the ratio of the new wire to the second wire.
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A cylindrical conductor of length (L), diameter (D), and resistivity (ρ) has a resistance (R). Another cylindrical conductor of length (L), diameter (D/2) and same resistivity (ρ). Determine the ratio of the new wire to the second wire.
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Answer:
resistance less=>diameter more
resistance more=>diameter less
ratio of resistance=1:2
Explanation:
resistance depend on resistivity of metal, (length, diameter)=>area and temprature
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