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
When one wave is at its maximum and the other is at zero, the phase difference between them is 90°, as the zero crossing of a sine wave occurs a quarter cycle before or after the peak.
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.How does the time constant of an inductive circuit change with variations in inductance and resistance?
- 7.In an R-L-C circuit operating at resonance, the magnitude of the current primarily depends on which parameter?
- 8.In a series R-L-C circuit, which component(s) can be adjusted to alter the resonance frequency?
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