A charge of + 30 nC 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 + 10 mC from infinity to the center of the circle? A. 67.5 J В. 1.35 J C. 6.75 J D. 135 J E. 13.5 J

A charge of + 30 nC 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 + 10 mC from infinity to the center of the circle? A. 67.5 J В. 1.35 J C. 6.75 J D. 135 J E. 13.5 J

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter19: Electric Potential And Electric Field

Section: Chapter Questions

Problem 30PE: In nuclear fission. a nucleus splits roughly in half. (a) What is the potential 2.00 10-14 m from a...

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

A charge of + 30 nC 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
+ 10 mC from infinity to the center of the circle?
A. 67.5 J
В. 1.35 J
C. 6.75 J
D. 135 J
E. 13.5 J

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