Question: There is a potential difference of 1.8 V between the ends of a 10 cm long graphite rod that has a cross-sectional area of

There is a potential difference of 1.8 V between the ends of

There is a potential difference of 1.8 V between the ends of a 10 cm long graphite rod that has a cross-sectional area of 1.7 mm2. The resistivity of graphite is 7.5 x 10-6 22-m. (a) Find the resistance of the rod. (b) Find the current. (c) Find the electric field inside the rod.

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