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In the network shown, the connector of m...

In the network shown, the connector of mass m, length l and negligible resistance can smoothly side along two fixed parallel rails. The capacitor is initially uncharged and ET a uniform magnetic field B exists in the region directed into the plane of paper. If the switch S is closed at t=0 then the charge on the capacitor after long time is

A

`(mcepsilon)/(2(B^2l^2c+m))`

B

`(mcepsilon)/((B^2l^2c+m))`

C

`(2mcepsilon)/((B^2l^2c+m))`

D

`(3mcepsilon)/(2(B^2l^2c+m))`

Text Solution

Verified by Experts

The correct Answer is:
B
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