MasteringPhysics: Homework 4 Chapter 24 Secti 4-608 points). Google Chrome Secur

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MasteringPhysics: Homework 4 Chapter 24 Secti 4-608 points). Google Chrome Secure https: session masteringphysics.com/myct/itemView?assignment Problem 71268115 PH2200 University Physics ll Electricity & Magnetism Problem 24.45 Problem 24.45 Correct The three parallel planes of charge shown in the figure (Figure 1) have surface charge densities T. and -3 Part C Find the magnitude of the electric field in region 2. Submit My Answers Give Incorrect, Try Again Part D of 1 Figure What is the direction of the electric field in region 2? Upward Downward The field is zero Submit My Answers Give Up Ask me anything signed in as Fernando Chambole Hel Resources previous l 5 of 16 l next 50 PM ENG 2/14/2017 419)

Explanation / Answer

field due to a plane of charge=charge density/(2*epsilon)

direction of field will always be directed away from the positive plane and directed towards negative plane.

in region 3:

field due to top negative plane charge is directed upwards.
magnitude=(n/2)/(2*epsilon)

field due to middle positive plane is directed downwards

magnitude=n/(2*epsilon)

field due to bottom negative plane is directed downwards
magnitude=(n/2)/(2*epsilon)

so total field is along downwards direction

magnitude=n/(2*epsilon)

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