A Battery Applies 45 Volts to a Circuit, While an Ammeter

question 22

Multiple Choice

A battery applies 45 volts to a circuit, while an ammeter reads 10 mA. Later, the ammeter reading drops to 7 mA. Assuming the resistance has not changed, the voltage must have:

• A) increased to 58.5 volts
• B) decreased to 31.5 volts
• C) decreased 30% from its old value
• D) both B and C are correct
• E) stayed the same

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Definitions:

Disposable Income

Resources allocated for household expenditure and savings after income tax expenses.

Consumption

Families making use of goods and services.

Conspicuous Consumption

A term coined by Thorstein Veblen, referring to the spending of money on luxury goods and services to publicly display economic power—the consumption for the sake of prestige or status rather than utility.

Reputability

Refers to the quality or state of being reputable, widely respected, and honored by others, often used in the context of individuals, organizations, or businesses.