Physics-
General
Easy
Question
An infinite nonconducting sheet at x=0 carries a uniform surface charge density
. A thin rod of length 2 L has a uniform linear charge density
on one half and
on the other half. The rod is hinged at its mid point C at x=2 L and lies in the XOZ plane making an angle
with the positive X-axis as shown in figure. The torque
experienced by the rod is
. The value of k is

- 1
- 2
- 3
- 8
The correct answer is: 8
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