12. Two charges (Q1--7.1 µC, Q2=-3.0 µC) are located at fixedpositions as indicated in the rightfigure. (a) Find the electric fieldproduced by the two charges Q1and Q2 at origin o. (b) Find themagnitude of the electric field inquestion (a). (c) If a charge ofQo=+2 µC is placed at the origin,find the total electrical force on thecharge Qo. ( _1==9×10°N m² /C°)4TEO4m3mQ2 14. Two concentric uniformly chargedsphere shells of radii R, and R,respectively carry charges q and q2respectivelymagnitude of electric field and theelectric potential at a distance r fromasshown.Findthethe center of the two shells. Consider allcases: rR,.I1. R,

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12. Two charges (Q1=-7.1 µC, Q2=- 3.0 µC) are located at fixed positions as indicated in the right figure. (a) Find the electric field produced by the two charges Q1 and Q, at origin o. (b) Find the magnitude of the electric field in question (a). (c) If a charge of Qo=+2 µC is placed at the origin, find the total electrical force on the e charge Qo- ( _1 = 9×10°N-m² / C²) 47E %24

12. Two charges (Q1=-7.1 µC, Q2=- 3.0 µC) are located at fixed positions as indicated in the right figure. (a) Find the electric field produced by the two charges Q1 and Q, at origin o. (b) Find the magnitude of the electric field in question (a). (c) If a charge of Qo=+2 µC is placed at the origin, find the total electrical force on the e charge Qo- ( _1 = 9×10°N-m² / C²) 47E %24

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 94P: A proton enters the uniform electric field produced by the two charged plates shown below. The...

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