There is a potential difference of 13 volt between the ends


There is a potential difference of 1.3 Volt between the ends of a 10 centimeter long graphite rod that has a cross-sectional area of 1.9 mm2. The resistivity of graphite is 7.5 x 10-6 omega-m.

1. Determine the resistance of the rod?

2. Determine the current?

3. Determine the electric field inside the rod?

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Physics: There is a potential difference of 13 volt between the ends
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