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A cylindrical capacitor with external radius R, internal radius R-d(dltltR ), length l and mass M hangs on an insulating cord in a region where there is a homogenous, vertical magnetic field of strength B. It can rotate freely as a whole around its vertical axis, but is constrained, so that it can not move horizontally. The capacitor is charged and there is a voltage difference If without being mechaically disturbed, the capacitor is discharged through an internal radial wire then find maximum angular velocity of capacitor |
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Answer» `(piin_(0)VBL)/(M)` |
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