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Capacitance of a Random Conductor

Four point ch...

Question

Four point charges of 1 μC, 2 μC, 3 μC, and 4 μC, are placed along x axis at x = 1 m, x = 2 m, x = 3 m and x = 4 m respectively. The electric field intensity at origin due to first three charges is

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Q. Three point charges

q_{1} = 1 μ C, q_{2} = - 2 μ C

q_{3} = 3 μ C

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(0, 0, 3 m)

respectively. The electric potential at origin is

Q. Four charges of

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Q. Four point charges

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\sqrt{27 / 2} m

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[Take \frac{1}{4 π ε_{0}} = 9 \times 10^{9} {Nm}^{2} C^{- 2}]

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