The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm in diameter is connected to a power source with a potential difference of 15 V. Find the current. I =

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The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm in diameter is connected to a power source with a
potential difference of 15 V. Find the current.
A
%3D
Transcribed Image Text:The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm in diameter is connected to a power source with a potential difference of 15 V. Find the current. A %3D
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