the length and area of a wire is given as 0.2m and 0.5m .the resistance of that wire is 3 ohm .find out the resistivity
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Answer:
Calculate the resistance of a metal wire of length 2m and area of cross section 1.55 x 10^-6 m^2, if the resistivity of the metal be 2.8 x 10^-8 ohm m.
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8
Given
R = 2 Ω
l = 15 cm = 0.15 m
A = 25 cm2 = 0.25 m2
Resistivity formula is
Resistivity Formula
Resistivity Related Solved Example
Problem 2: The length and area of wire are given as 0.2 m and 0.5 m2 respectively. The resistance of that wire is 3 Ω, calculate the resistivity?
Answer:
Given
R = 3 Ω
l = 0.2 m and
A = 0.5 m2
Resistivity formula is
Resistivity Formula
Resistivity Related Solved Example
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