A) \[\frac{q}{\hat{i}\cdot \vec{n}}\]
B) \[\frac{\hat{i}\cdot \vec{n}}{q}\]
C) \[\frac{\hat{i}\cdot \vec{n}}{q}\]
D) \[\frac{q}{\left| {\vec{n}} \right|}\]
Correct Answer: A
Solution :
[a] x intercept is say \[{{x}_{1}},\] i.e., the plane passes through it. Therefore, \[{{x}_{1}}\hat{i}\cdot \vec{n}=q\] or \[{{x}_{1}}=\frac{q}{\hat{i}\cdot \vec{n}}\]
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