In the infinite plane y = 6 m there exists a uniform surface

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In the infinite plane y = 6 m there exists a uniform surface charge density of
1 ∏
600

μ c/m². The associated electric field strength is—

1. 30 i V/m
2. 30 j V/m
3. 30 k V/m
4. 60 i V/m

Correct Option: C

The associated electric field strength

1	=	1	× 10⁻⁶ ×	1
2ε₀	=	600π	× 10⁻⁶ ×	2 × 8.85 × 10⁻¹²

= 30 kV/m