A Hollow Conducting Sphere of Radius 12 Cm Has a Net

question 58

Multiple Choice

A hollow conducting sphere of radius 12 cm has a net charge of 18 μC. What is the potential 20 cm from the center of the sphere?

• A) 0 V
• B) 15 V
• C) 73 V
• D) 8.1 × 10⁵ V
• E) 4.1 × 10⁵ V

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Definitions:

Concentration Ratio

A measure used to assess the degree of market concentration, quantifying the market share held by the largest firms within an industry.

Equal Percentage

A rate or proportion where the same fraction or share applies uniformly across different scenarios or entities.

Pure Monopoly

A market structure characterized by a single seller selling a unique product in the market, resulting in significant control over pricing and market supply.

Monopolistic Competition

A market structure where many companies sell products that are similar but not identical, allowing them some power to set prices.