(a) Point charges QI= -4 nC, Q2=7 nC and Q3= 5 nC are located at (4, -2, 5), (2, 6, -2) and (0, 0,0), respectively. Find the potential at (-3, 7, 4), assuming V(∞) = 0.(b) A potential field in free space is expressed as, V = 4psin2o + pz. Find the electric fluxdensity D at (5, ,4).

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Answered: (a) Point charges Q1= -4 nC, Q2=7 nC…

(a) Point charges Q1= -4 nC, Q2=7 nC and Q3= 5 nC are located at (4, -2, 5), (2, 6, -2) and (0, 0, 0), respectively. Find the notential at (-3, 7, 4), assuming V0) = 0.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 24P

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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

(a) Point charges QI= -4 nC, Q2=7 nC and Q3= 5 nC are located at (4, -2, 5), (2, 6, -2) and (0, 0,
0), respectively. Find the potential at (-3, 7, 4), assuming V(∞) = 0.
(b) A potential field in free space is expressed as, V = 4psin2o + pz. Find the electric flux
density D at (5, ,4).

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