Two Positive Point Charges Q and 2Q Are Separated by a Distance

question 12

Multiple Choice

Two positive point charges Q and 2Q are separated by a distance R. If the charge Q experiences a force of magnitude F when the separation is R, what is the magnitude of the force on the charge 2Q when the separation is 2R ?

• A)F/4
• B)F/2
• C)F
• D)2F
• E)4F

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Definitions:

Most Elastic

Refers to the responsiveness of demand or supply to changes in price, with the most elastic being the most sensitive to price changes.

Perfectly Elastic

A situation in a market where the quantity demanded or supplied responds infinitely or disproportionately to changes in price.

Cross Elasticity

A measure of how the quantity demanded of one good or service changes in response to a change in the price of another good or service.

Complementary

Goods or services that are used together, where an increase in demand for one leads to an increase in demand for the other.