A Huge (Essentially Infinite) Horizontal Nonconducting Sheet 10

question 18

Multiple Choice

A huge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. The upper face carries +95.0 nC/m² while the lower face carries -25.0 nC/ m². What is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A) 0.00 N/C
• B) 3.95 × 10³ N/C
• C) 6.78 × 10³ N/C
• D) 7.91 × 10³ N/C
• E) 1.36 × 10⁴ N/C

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Definitions:

Total Utility

The overall satisfaction or happiness a consumer derives from consuming a certain quantity of goods and services.

Marginal Utility

The extra benefit or utility gained from acquiring or consuming an additional unit of a product or service.

Utility Per Dollar

The amount of satisfaction or usefulness gained per unit of currency spent, used to measure consumer value.

Marginal Utility

Marginal utility is the change in total satisfaction or utility that a consumer experiences from consuming an additional unit of a good or service.