Three infinite plane sheets carrying uniform charge densities − σ , 2 σ , 4 σ are placed parallel to XZ plane at Y = a , 3 a , 4a respectively. The electric field at the point ( 0 , 2 a , 0 ) is

Question

Three infinite plane sheets carrying uniform charge densities − σ , 2 σ , 4 σ are placed parallel to XZ plane at Y = a , 3 a , 4a respectively. The electric field at the point ( 0 , 2 a , 0 ) is, 2 ε 0 ​ 5 σ ​ j ^ ​, − 2 ε 0 ​ 7 σ ​ j ^ ​, 2 ε 0 ​ σ ​ j ^ ​, − 2 ε 0 ​ 5 σ ​ j ^ ​

MARKS App · Accepted Answer

E net ​ ​ = 7 E = 7 2 ε 0 ​ σ ​ alone − ve Y -axis ∴ E = − 2 ε 0 ​ 7 σ ​ j ^ ​ ​

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