If 50 × 10²¹ Electrons Pass Through a 20-Ω Resistor in in 10

question 2

Multiple Choice

If 5.0 × 10²¹ electrons pass through a 20-Ω resistor in 10 min, what is the potential difference across the resistor?

• A) 21 V
• B) 32 V
• C) 27 V
• D) 37 V
• E) 54 V

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Definitions:

Residual Income

The income that remains after deducting all operation and investment costs, including a minimum desired return on investment.

Required Rate of Return

The minimum annual percentage earned by an investment that will entice individuals or companies to put money into a particular project or investment.

Return on Investment

A measure used to evaluate the efficiency of an investment, calculated as the return (profit) of an investment divided by the cost of the investment.

Division

A section or branch of a company that operates semi-autonomously, focusing on a particular product line, market segment, or geographical area.