Insulators Are Poor Conductors of Electricity Because

question 43

Multiple Choice

Insulators are poor conductors of electricity because

• A)there is a small energy gap between the valence band and the next higher band in which electrons can collect.
• B)there is a large energy gap between the valence band and the next higher band in which electrons can collect.
• C)the valence band has a few vacancies for electrons.
• D)the valence band is only partly full.
• E)None of these is correct.

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Definitions:

Arbitrage

The practice of buying and selling assets in different markets or forms to profit from differing prices for the same asset.

Predatory Pricing

A strategy where a firm sets prices below cost with the intention of driving competitors out of the market, and then possibly raising prices to higher levels once competition is reduced.

Mark-up Pricing

A pricing strategy where a fixed percentage is added to the cost of producing a good or service to determine its selling price.

Direct Discrimination

Actions or policies that explicitly treat an individual or group less favorably than others based on prohibited grounds such as race, gender, or age.