Two planes of charge with no thickness,A and B,are parallel and vertical.The electric field in region I to the left of plane A has magnitude $\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }$ and points to the left.The electric field in the region to the right of B has magnitude $\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }$ and points to the right.The electric field in the region between the two planes has magnitude $\frac { \sigma } { 2 \varepsilon _ { 0 } }$ and points to the right.The surface charge density on planes A and B respectively is
A) $- \frac { \sigma } { 2 }$ ,$\sigma$.
B) $+ \frac { \sigma } { 2 }$ ,$\sigma$
C)$\sigma$, $- \frac { \sigma } { 2 }$ .
D)$\sigma$, $+ \frac { \sigma } { 2 }$ .
E)2$\sigma$,$\sigma$.

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The Answer of Two planes of charge with no thickness,A and B,are parallel and vertical.The electric field in region I to the left of plane A has magnitude $\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }$ and points to the left.The electric field in the region to the right of B has magnitude $\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }$ and points to the right.The electric field in the region between the two planes has magnitude $\frac { \sigma } { 2 \varepsilon _ { 0 } }$ and points to the right.The surface charge density on planes A and B respectively is
A) $- \frac { \sigma } { 2 }$ ,$\sigma$.
B) $+ \frac { \sigma } { 2 }$ ,$\sigma$
C)$\sigma$, $- \frac { \sigma } { 2 }$ .
D)$\sigma$, $+ \frac { \sigma } { 2 }$ .
E)2$\sigma$,$\sigma$.

Two Planes of Charge with No Thickness,A and B,are Parallel 3σ2ε0\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }2ε0​3σ​

Two Planes of Charge with No Thickness,A and B,are Parallel $\frac { 3 \sigma } { 2 \varepsilon _ { 0 } }$