Question

"Compute the resistance of a hardened copper rod 2 meters long and 8 mm (8 x 10 ' meters) in diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters. What is the resistance of a copper wire 20 meters long and 0.81 mm in diameter at 20*?"

Name: compute the resistance of a hardened copper rod 2 meters long and 8 mm 8 x 10 meters in diameter if the resistivity of the material is 1756 x 10 8 ohm meters what is the resistance of a copp 64333
Uploaded: 2022-03-28T10:39:57-08:00
Duration: 2 min 27 s
Channel: Prabhu Ramji
Description: compute the resistance of a hardened copper rod 2 meters long and 8 mm 8 x 10 meters in diameter if the resistivity of the material is 1756 x 10 8 ohm meters what is the resistance of a copp 64333

          "Compute the resistance of a hardened copper rod 2 meters long and 8 mm (8 x 10 ' meters) in diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters.
What is the resistance of a copper wire 20 meters long and 0.81 mm in diameter at 20*?"

Added by Catalina S.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

03/28/2022

Step 1

Given: Length of the rod (L) = 2 meters Diameter of the rod (d) = 8 mm = 8 x 10^-3 meters Resistivity of copper (ρ) = 1.756 x 10^-8 ohm-meters The resistance of the rod can be calculated using the formula: \[ R = \frac{4 \times \rho \times L}{\pi \times d^2} \] Show more…

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"Compute the resistance of a hardened copper rod 2 meters long and 8 mm (8 x 10 ' meters) in diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters. What is the resistance of a copper wire 20 meters long and 0.81 mm in diameter at 20*?"