A plastic disc of inner radius and an outer radius is charged with surface density given by
where .
The disc is rotating with angular velocity .
Calculate the magnetic field at .
A plastic dise of inner radius Ri= 1.3 mm and an outer radius R = 5.5 mm is charged with surface density given by А C/m2 where A = 14 The disc is rotating with angular velocity w = 70 rad/s. (1) Calculate the magnetic field at 2 = 1.5 mm
A plastic disc of inner radius and an outer radius is charged with surface density given by where . The disc is rotati
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A plastic disc of inner radius and an outer radius is charged with surface density given by where . The disc is rotati
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