The distance of the test charge from the source charge is 1.1 m. Option A is correct.
What does Gauss Law state?
It states that the electric flux across any closed surface is directly proportional to the net electric charge enclosed by the surface.
[tex]R=\sqrt{\dfrac{Qk}{E}[/tex]
Where,
E = electric force = 3. 93 × 10⁵ N/C
k = Coulomb constant = [tex]8.99\times 10^9\ \ \frac{Nm^2}{c^2}[/tex]
Q = charges = 5.0 µC
r = distance of separation =?
Put the values in the formula,
[tex]R=\sqrt{\dfrac{5\times 10^{-6}\times 8.99\times 10^9}{3.93\times 10^5}[/tex]
[tex]R=1.1\ m[/tex]
Therefore, the distance of the test charge from the source charge is 1.1 m.
Learn more about Gauss's law:
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