The Current in an RL Circuit Is Zero at Time

question 26

Multiple Choice

The current in an RL circuit is zero at time t = 0 and increases to 75% of its final value in 4.5 s.The time constant of this circuit is approximately

• A)6.0 s
• B)12 s
• C)8.7 s
• D)3.3 s
• E)9.8 s

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Definitions:

Surplus

An excess of income or assets over expenditure or liabilities in a given period, typically a fiscal year, leading to available resources beyond what is required.

Supply Schedule

A table that shows the quantity of a good or service that producers are willing to supply at various prices.

Equilibrium Price

The price level at which the supply of goods matches the demand for goods.

Equilibrium Price

The price point at which the quantity of goods supplied equals the quantity demanded, resulting in market stability.