An Electroscope Is Charged by Induction Using a Glass Rod

question 49

Multiple Choice

An electroscope is charged by induction using a glass rod that has been made positive by rubbing it with silk.The electroscope leaves:

• A)gain electrons
• B)gain protons
• C)lose electrons
• D)lose protons
• E)gain an equal number of protons and electrons

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Definitions:

Oligopoly

A market structure characterized by a small number of firms controlling a large market share, leading to limited competition.

Perfectly Competitive Industry

An industry that meets the criteria for perfect competition, meaning it includes many small firms producing identical products and allows for free entry and exit.

Total Surplus

The sum of consumer surplus and producer surplus in a market; it measures the total benefit to society from the production and consumption of goods and services.

AC

Average Cost, which is the total cost of production divided by the quantity of output produced.