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QJEEM23Pha551: JEE Main 2023 Physics - Class 12 JEEM23Pha551 Solution: Let σ be the uniform surface charge density of two infinite…

Let σ be the uniform surface charge density of two infinite thin plane sheets shown in figure. Then the electric fields in three different region EI,EII and EIII are:

JEE Main 2023 (Online) 1st February Morning Shift Physics - Electrostatics Question 83 English

Multiple Choice Options

  • A E→I=0,E→II=σϵ0n^,EIII=0
  • B E→I=σ2ϵ0n^,E→II=0,E→III=σ2ϵ0n^
  • C E→I=−σϵ0n^,E→II=0,E→III=σϵ0n^
  • D E→I=2σϵ0n^,E→II=0,E→III=2σϵ0n^

Step-by-Step Verified Solution

Assuming RHS to be n^\hat{n}

E→I=σ2ϵ0(−n^)+σ2ϵ0(−n^)=−σϵ0n^E→II=0,E→III=σ2ϵ0(n^)+σ2ϵ0(n^)=σ∈0(n^)

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