In an RL Series Circuit Connected to a Dc Source

question 3

Multiple Choice

In an RL series circuit connected to a dc source and a switch, the inductor gets 40% of its maximum current 1.8 s after the switch is closed at t = 0 s. What is the time constant of this circuit?

• A) 0.80 s
• B) 1.5 s
• C) 2.5 s
• D) 3.5 s
• E) 5.5 s

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Definitions:

Pareto Optimal

A situation in economics where resources are allocated in the most efficient manner, making it impossible to reallocate without making at least one individual worse off.

Trades

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Societal Members

Individuals who constitute a society, participating in its culture, norms, and economic activities.

Perfectly Competitive Market

A market structure characterized by many buyers and sellers, freedom of entry and exit, and a homogeneous product, leading to efficient pricing.