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- Subject
- Analog Electronicselectrical-engineering-mcqs › analog-electronics
- Published
- 19 Dec 2018
- Last updated
- 28 May 2026
Explanation
The output voltage in a parallel RLC circuit driven by a constant current source reaches a maximum at the resonant frequency. Since 3.89 kHz and 4.1 kHz are frequencies where the output voltage is 1.4 V, the resonance occurs between these frequencies. At the resonant frequency of 4 kHz, the voltage peaks, resulting in an output of 2.0 volts.
More Analog Electronics MCQs
Practice related questions from the same subject.
- 1.In a common base amplifier configuration, how does the AC collector voltage relate to the AC base voltage?
- 2.Why is it important to encapsulate a transistor?
- 3.A cascade amplifier is formed by connecting which combination of amplifier stages?
- 4.Three identical amplifiers, each with a voltage gain of 50, an input resistance of 1 kΩ, and an output resistance of 250 Ω, are connected in series. What is the overall open-circuit voltage gain (in dB) of the combined amplifier?
- 5.An operational amplifier with a slew rate of 1 V/µs is configured to provide a gain of 40 dB. To ensure distortion-free amplification of sinusoidal signals from DC up to 20 kHz, what is the maximum allowable input voltage amplitude?
- 6.Given an npn BJT with transconductance gm = 38 mA/V, capacitances cμ = 10⁻¹⁴ F and cπ = 10⁻¹³ F, and a DC current gain β₀ = 90, what are the values of the cutoff frequency fT and the transition frequency fβ?
- 7.When a MOSFET switch is turned on, it can be modeled as which of the following components?
- 8.Given a transistor with a current gain (β) of 0.98, a collector leakage current (Ico) of 6µA, and a base current (Iβ) of 100µA, what is the collector current (Ic)?
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