A charge of +3.0 µC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energy is require

Question

A charge of +3.0 µC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energy is required to bring a charge of 25µC from infinity to the center of the circle?

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2 months 2021-07-31T21:20:52+00:00 2 Answers 0 views 0

The energy required is

Explanation:

From the question we are told that

The charge is

The second charge is

Generally the energy required is mathematically represented as

Where k is the coulomb constant with a value of

Substituting values we have