Question: A long cylinder with uniformly charged surface and cross-sectional radius a = 1.0 cm moves with a constant velocity = 10 m/s along its axis.

A long cylinder with uniformly charged surface and cross-sectional radius a = 1.0 cm moves with a constant velocity = 10 m/s along its axis. An electric field strength at the surface of the cylinder is equal to E = 0.9 kV/cm. Find the resulting convection current, that is, the current caused by mechanical transfer of a charge.

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