PROBLEM 5: At a corner of a 30 mm x 40 mm rectangle is placed a q, = +20 µC I charge of -40 µC and at the two adjacent corners are I charges of +20 µC, as shown in the figure. Determine: 92 = -40 µC B 30 mm | a. The potential at the 4th corner P. i b. The potential at the center B of the rectangle. c. The work that must be done by an external force to bring a charge q4 = +5 µC from the center of the i rectangle to the 4th corner P. P 40 mm '9 = +20 uC SOLUTION:

PROBLEM 5: At a corner of a 30 mm x 40 mm rectangle is placed a q, = +20 µC I charge of -40 µC and at the two adjacent corners are I charges of +20 µC, as shown in the figure. Determine: 92 = -40 µC B 30 mm | a. The potential at the 4th corner P. i b. The potential at the center B of the rectangle. c. The work that must be done by an external force to bring a charge q4 = +5 µC from the center of the i rectangle to the 4th corner P. P 40 mm '9 = +20 uC SOLUTION:

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 61P: Two large charged plates of charge density 30C/m2 face each other at a separation of 5.0 mm. (a)...

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