Two Imaginary Spherical Surfaces of Radius R and 2R Respectively

question 64

Multiple Choice

Two imaginary spherical surfaces of radius R and 2R respectively surround a positive point charge Q located at the center of the concentric spheres. When compared to the number of field lines N₁ going through the sphere of radius R, the number of electric field lines N₂ going through the sphere of radius 2R is

• A) .
• B) .
• C) N₂ = N₁.
• D) N₂ = 2N₁.
• E) N₂ = 4N₁.

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Definitions:

Production Function

Function showing the highest output that a firm can produce for every specified combination of inputs.

Annual Output

The total production or quantity of goods and services produced by a company or economy in one year.

Economies of Scale

The cost advantage achieved by an increase in production, leading to a decrease in the average cost per unit through efficient allocation of resources and spreading of fixed costs.

Cost-output Elasticity

The ratio of the percentage change in cost relative to the percentage change in output, indicating how costs change with output levels.