A copper wire has a resistivity of 1.723 x 10-8 Ω-m and a cross-sectional area of 9.5 mm2. Calculate the length of the wire in m when its resistance is 3.2 Ω.
Question
Solution 1
To calculate the length of the wire, we can use the formula for resistance:
R = ρ * (L/A)
where: R is the resistance, ρ is the resistivity, L is the length of the wire, and A is the cross-sectional area of the wire.
We can rearrange the formula to solve for L:
L = R * (A/ρ)
Substituting the giv Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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