Q. In 741 IC, pin number 4 is represented by __________

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Q. Which of the following cannot be treated as a requirement of the instrumentation amplifier?

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Q. Amplifier with power supply and output circuits galvanically isolated are called ______________

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Q. Voltage follower is also known as ___________

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Q. Which configuration of op-amp is used for filter circuit?

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Q. Amplification of low level signal can be done using___________

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Q. For an ideal op-amp, zero input results in zero output.

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Q. Phase difference between two voltages at frequencies above 10Hz can be measured using _________

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Q. What is the operating range of X-Y plotter?

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Q. What is the expression for phase angle using X-Y plotter? (Assume t₀ be time interval between zero crossing of signals and T be time period of signals).

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Q. What is the use of flip-flop in electronic phase meters?

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Q. Phase-Sensitive detectors are used for measuring phase of ______________

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Q. Rejection capability of Phase sensitive detector is depended on the averaging time of smoothing filter.

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Q. For what purpose, FET’s are included in phase sensitive detectors?

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Q. Which of the following relation is correct for phase angle and reactive power?

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Q. Which of the following is the expression of power factor?

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Q. What is the relation for phase angle (in degree) of a signal with time delay Δt and frequency f?

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Q. Which of the following cannot be used as a unit for frequency?

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Q. Which of the following represents the correct relationship between frequency and angular frequency?

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Q. What will be the frequency of a system in which 35 events occur in 7 seconds?

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