a a Consider The rectangular arrangement of four point charges shown in Figure 1, where they lie on the corners of the rectangle where q = 33 nC, 92 = 29 nC, q3 = 17 nC and q4 = -46 nC and a = 12 cm. a) Calculate how much work is required to set up the arrangement if the charges are initially infinitely far apart and were at rest. (Hint: Use the relation between work done by the external agent and total electrical potential energy of the system) Net workdone Give your answer to at least three significance digits. joules

a a Consider The rectangular arrangement of four point charges shown in Figure 1, where they lie on the corners of the rectangle where q = 33 nC, 92 = 29 nC, q3 = 17 nC and q4 = -46 nC and a = 12 cm. a) Calculate how much work is required to set up the arrangement if the charges are initially infinitely far apart and were at rest. (Hint: Use the relation between work done by the external agent and total electrical potential energy of the system) Net workdone Give your answer to at least three significance digits. joules

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 35PQ: Two 25.0-g copper spheres are placed 75.0 cm apart. Each copper atom has 29 electrons, and the molar...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

100%

Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N · m²/C². Vacuum permitivity, €o = 8.854 × 10-12 F/m. Magnitude
of the Charge of one electron, e = 1.60217662 × 10-19 C. Mass of one electron, me = 9.10938356 x 1031 kg. Unless specified otherwise, each
symbol carries their usual meaning. For example, µC means micro coulomb.
a
a
Consider The rectangular arrangement of four point charges shown in Figure 1, where they lie on the corners of the rectangle where q = 33 nC,
q2 — 29 пС, ф3 — 17 пС and q — — 46 пC and a — 12 ст.
a) Calculate how much work is required to set up the arrangement if the charges are initially infinitely far apart and were at rest. (Hint: Use the relation
between work done by the external agent and total electrical potential energy of the system)
Net workdone
Give your answer to at least three significance digits.
joules

b) Calculate the potential at the centre of the square due to all four charges.
Potential at the center
Give your answer to at least three significance digits.
volts
c) Consider a spherical Gaussian surface of radius r = 6 meters centred around the centre of the square. What is the total electric flux through the
surface?
Total Electric Flux
Give your answer to at least three significance digits.
N. m? /C

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