Question

A point charge having a charge of +1 μC, is placed at a distance of 2 m from the surface of a conducting sphere of radius 3m. Find the potential (in V) due to charges induced on sphere at the point where the tangent to the sphere drawn from the point charge touches the sphere.​

Answer 1

Answer: I don't know but my answer is coming 3.14

Explanation:

Answer 2

Given:

• Charge = + 1 μC
• Distance = 2 m
• Radius = 3 m

To find:

• Potential due to charges induced on sphere at the point where the tangent to the sphere drawn from the point charge touches the sphere.​

Answer:

• As the sphere is conducting, it is an equi-potential surface.
• Potential will be same on every point of the surface.
• Potential at the point = $\frac{k *q}{R} = \frac{9 * 10^9 * 10^{-6}}{3} = 3 * 10^ 3 V$