A Charge Q Accumulates on the Hollow Metallic Dome,of Radius

question 13

Multiple Choice

A charge Q accumulates on the hollow metallic dome,of radius R,of a Van de Graaff generator.A probe measures the electric field strength at various points outside the sphere's surface.By what factor will the electric field value at the 2R distance be changed if the charge value were increased to (5/3) Q?

• A) 3/5
• B) (5/3)²
• C) 5/3
• D) (3/5)²

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Definitions:

APS

Average Propensity to Save; the fraction of total income that is saved by the economy or an individual at a certain time.

APC

Average Propensity to Consume, a statistical measure reflecting the percentage of income that is spent on goods and services as opposed to being saved.

Disposable Income

The amount of money a household has available for spending and saving after income taxes have been accounted for.

Induced Consumption

Spending induced by changes in the level of income.