If You Rub Two Transparency Sheets with Tissue and Then

question 9

Multiple Choice

If you rub two transparency sheets with tissue and then hold the two transparency sheets at rest a short distance apart, they will then exert

• A) no electric or magnetic forces on each other.
• B) a repulsive magnetic force on each other, but no electric force.
• C) an attractive electric force on each other, but no magnetic force.
• D) an attractive magnetic force on each other, but no electric force.
• E) a repulsive electric force on each other, but no magnetic force.

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Definitions:

Cross Elasticity

A measure of how the quantity demanded of one good responds to a price change of another good.

Complementary Goods

Products and services that are used together. When the price of one falls, the demand for the other increases (and conversely).

Positive

Pertaining to statements or analyses that are based on facts and devoid of any value judgments or recommendations.

Supply Curves

Graphical representations that show the relationship between the price of a good and the total amount of the good that suppliers are willing to sell.