Three electric charges, Q 1 = 2 C, Q 2 = 2 C, and Q 3 = 2 C, are shown in the fi

Question

Three electric charges, Q1 = 2 C, Q2 = 2 C, and Q3 = 2 C, are shown in the figure, along with 5 surfaces, S1 through S5.

Q1 = 2 C
Q2 = 2 C
Q3 = 2 C

Part (a) Write an expression for the electric flux ?1 through S1.

Part (b) Write an expression for the electric flux ?2 through S2.

Part (c) Write an expression for the electric flux ?3 through S3.

Part (d) Determine the electric flux ?4 through S4.

Part (e) Write an expression for the electric flux ?5 through S5.

Explanation / Answer

a) Electric flux = Qenclosed/epsilon = Q1+Q2+Q3/epsilon = 6/8.854*10^-12 = 6.77*10^11 C.m^2/N

b)Electric flux = Qenclosed/epsilon = Q1/epsilon = 2/8.854*10^-12 = 2.26*10^11 C.m^2/N

c)Electric flux = Qenclosed/epsilon = Q3/epsilon = 2/8.854*10^-12 = 6.77*10^11 C.m^2/N

d)Electric flux = Qenclosed/epsilon =   = 0/epsilon = = 0

e)Electric flux = Qenclosed/epsilon = Q2+Q3/epsilon = 4/8.854*10^-12 = 4.51*10^11 C.m^2/N

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