A) Cm
B) \[C\,{{m}^{-1}}\]
C) \[C\,{{m}^{-2}}\]
D) \[C\,{{m}^{-3}}\]
Correct Answer: B
Solution :
The line charge density at a point on a line is the charge per unit length of the line at at that point \[\lambda =\frac{dq}{dL}\] Thus, the SI unit for \[\lambda \] is \[C\,{{m}^{-1}}\].
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