Here is a potential difference of 50 v between the ends of


There is a potential difference of 5.0 V between the ends of a 60 cm long graphite rod that has a cross-sectional area of 1.0 mm2. The resistivity of graphite is 7.5E-6 ??m. Find

(a) the resistance of the rod;

(b) the current;

(c) the electric field inside the rod.

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Physics: Here is a potential difference of 50 v between the ends of
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