1.

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 Choose CORRECT statement

Answer»

When capacitor is DISCHARGED through radial wire then value of `omega_(MAX)` depends on VALUES of R and d
Value of `omega_(max)` is independent of time dependence of discharge current
Value of `omega_(max)` is dependent on time dependence of discharge current
Value of `omega_(max)` cannot be calculated with the HELP of given data.

Answer :B


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