Question: A potential difference of 4 V is applied across a tungsten wire 2 0 0 mm long and 0 . 1 mm in diameter. What

A potential difference of 4 V is applied across a tungsten wire 200 mm long and 0.1 mm in diameter. What current flows in the wire? How much power is dissipated in the wire? The electrical conductivity ke of tungsten is 1.8107 S/m.

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