Two large parallel plane sheets have uniform charge densities + `sigma and -sigma.` Determine the electric field (i) between the sheets, and (ii) outside the sheets.

Explanation

To solve the problem of determining the electric field between and outside two large parallel plane sheets with uniform charge densities +σ and -σ, we will follow these steps:

### Step 1: Understand the Configuration
We have two large parallel sheets:
- The first sheet has a uniform positive charge density of +σ.
- The second sheet has a uniform negative charge density of -σ.

### Step 2: Electric Field Due to Each Sheet
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