At a corner of a 30 mm × 40 mm rectangle is placed a q91 = +20 µC charge of -40 µC and at the two adjacent corners are charges of +20 µC, as shown in the figure. Determine: 92 = -40 µC B 30 mm a. The potential at the 4th corner P. 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 rectangle to the 4th corner P. 40 mm 93 = +20 µC P

At a corner of a 30 mm × 40 mm rectangle is placed a q91 = +20 µC charge of -40 µC and at the two adjacent corners are charges of +20 µC, as shown in the figure. Determine: 92 = -40 µC B 30 mm a. The potential at the 4th corner P. 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 rectangle to the 4th corner P. 40 mm 93 = +20 µC P

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 78PQ: An infinite number of charges with q = 2.0 C are placed along the x axis at x = 1.0 m, x = 2.0 m, x...

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