Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
BITSAT2012PhysicsSemiconductorsActual

An oscillator is nothing but an amplifer with

Options

  1. Apositive feedback
  2. Bnegative feedback
  3. Clarge gain
  4. Dno feedback

Correct answer

A. positive feedback

Step-by-step solution

A positive feedback from output to input in an amplifier provides oscillations of constant amplitude.

Practice Semiconductors on Quantrex Academy →

More from Semiconductors

Identify the correct output signal Y in the given combination of gates for the given inputs A and B shown in the figure. 2024Identify the logic gate given in the circuit : 2024A reverse biased zener diode when operated in the breakdown region works as 2024Identify the logic operation performed by the following circuit. 2024The logic operations performed by the given digital circuit is equivalent to: 2023The effect of increase in temperature on the number of electrons in conduction band ( n _ e ) and resistance of a semiconductor will be as: 2023For an insulator, the forbidden energy gap is 2022In the circuit shown assume the diode to be ideal. When V_i increases from -2 ~V to 6 ~V , the change in current is (in mA ) 2022 Full Semiconductors list All BITSAT PYQs