Q. Error signal in positive feedback system will be ____________ input signal.

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Q. Which of the following represents complete expression for a closed loop system?

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Q. Which of the following change has been happened to output impedance in the negative feedback system?

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Q. Voltage gain improves on the application of negative feedback.

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Q. Input impedance can be _______________ on application of negative feedback.

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Q. For a negative feedback system, A=3 and β=2 and output impedance without feedback are 100Ω. What will be its total output impedance?

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Q. Input impedance of a system is 50 Ω, for the system to be negative feedback, which of the following can be its input impedance without feedback?

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Q. In a feedback gain equation, what does the term β stands for?

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Q. In which of the following conditions, feedback gain (Af) become independent of forward gain (A)?

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Q. Inverse transducers are also known as _________________

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Q. A system with feedback loop doesn’t have ______________

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Q. Which of the following represents torque produced in a PMMC device?

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Q. Inverse transducer is system which converts _________________

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Q. In a PMMC device what change will happen to torque, if flux density increased?

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Q. PMMC devices are converters of _____________

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Q. In PMMC device, torque and number of turns have _______________

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Q. Which of the following is an inverse transducer _____________

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Q. Input transducers and inverse transducers are the same.

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Q. Which of the following cannot act as inverse transducer?

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Q. Internal temperature of a hot body is measured by measuring __________________

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