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

View solution

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

View solution

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?

View solution

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?

View solution

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

View solution

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

View solution

Q. Inverse transducers are also known as _________________

View solution

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

View solution

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

View solution

Q. Inverse transducer is system which converts _________________

View solution

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

View solution

Q. PMMC devices are converters of _____________

View solution

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

View solution

Q. Which of the following is an inverse transducer _____________

View solution

Q. Input transducers and inverse transducers are the same.

View solution

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

View solution

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

View solution

Q. Temperature gradient of a substance is _________________

View solution

Q. Feedback system is used to ____________

View solution

Q. If temperature T₁ of material A is equal to temperature T₂ of material B, then which of the following are correct?

View solution