A.C. Fundamentals, Circuits and Circuit Theory
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- A.C. Fundamentals, Circuits and Circuit Theoryelectrical-engineering-mcqs › a-c-fundamentals-circuits-and-circuit-theory
- Published
- 11 Dec 2018
- Last updated
- 28 May 2026
Browse all A.C. Fundamentals, Circuits and Circuit Theory MCQs →
Explanation
The time constant (τ) of an inductive circuit is defined as the ratio of inductance (L) to resistance (R), τ = L/R. Therefore, increasing inductance or decreasing resistance will increase the time constant, while increasing resistance or decreasing inductance will reduce it.
More A.C. Fundamentals, Circuits and Circuit Theory MCQs
Practice related questions from the same subject.
- 1.In a series L-C circuit operating at its resonant frequency, what is the behavior of the current?
- 2.In an alternating current (AC) circuit, which of the following statements is always true?
- 3.How does the time constant of a capacitive circuit change with variations in capacitance and resistance?
- 4.How does the inductance of a coil change when the supply frequency increases?
- 5.What is true about the power in an ideal inductive circuit?
- 6.In an R-L-C circuit operating at resonance, the magnitude of the current primarily depends on which parameter?
- 7.In a series R-L-C circuit, which component(s) can be adjusted to alter the resonance frequency?
- 8.What is the formula for the time constant in a series resistor-capacitor (R-C) circuit?
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