Switch S Is Closed to Apply a Potential Difference V

question 2

Multiple Choice

Switch S is closed to apply a potential difference V across a p-n junction as shown. Relative to the energy levels of the n-type material, with the switch open, the electron levels of the p-type material are:

• A) unchanged
• B) lowered by the amount e^-Ve/kT
• C) lowered by the amount Ve
• D) raised by the amount e^-Ve/kT
• E) raised by the amount Ve

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Definitions:

Budgeted Income Statement

A financial statement forecasting the revenues, expenses, and net income for a specific period, based on proposed budgets and assumptions.

Contribution Margin Ratio

A financial metric that measures the proportion of sales revenue that exceeds variable costs, indicating how much contributes to covering fixed costs and generating profit.

Sales

The total amount of revenue a company generates from the sale of goods or services before any expenses are deducted.

Margin of Safety

The difference between actual or expected sales and the break-even point, reflecting the cushion against a loss.