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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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