A Capacitor Is Initially Charged to 3 V

question 16

Multiple Choice

A capacitor is initially charged to 3 V. It is then connected to a 6 V battery. What is the ratio of the final to the initial energy stored in the capacitor?

• A)3
• B)5
• C)6
• D)7
• E)9

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Definitions:

Infinitely Elastic

Describes a market situation in which the quantity demanded or supplied changes by an unlimited amount in response to any change in price, indicative of perfect competition.

Elastic

A term used in economics to describe a situation in which the supply or demand for a good or service is sensitive to changes in price.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good consumers are willing and able to purchase, ceteris paribus.

Price Elasticity

The measure of how much the quantity demanded of a good responds to a change in the price of that good, expressing the sensitivity of demand to price changes.