Home
Class 12
PHYSICS
An oscillator is an amplifier with...

An oscillator is an amplifier with

A

A large gain

B

Negative oscillator

C

Positive feedback

D

No feedback

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-I (C.W)|21 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (C.W)|33 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos

  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise ADDITIONAL EXERCISE (ASSERTION AND REASON TYPE QUESTIONS :)|19 Videos

Similar Questions

Explore conceptually related problems

A transistor oscillator is (i) An amplifier with positive feedback (ii) An amplifier with reduced gain (iii) The one in which DC supply energy is converted into AC output energy. Then

Two loudspeakers L_1 and L_2 driven by a common oscillator and amplifier, are arranged as shown. The frequency of the oscillator is gradually increased from zero and the detector at D records a series of maxima and minima. If the speed of sound is 330ms^-1 then the frequency at which the first maximum is observed is

Transistor as an Amplifier and Switch

When an n-p-n transistor is used as an amplifier, then

A triode value has amplification factor 21 and dynamic plate resistance 10 kOmega . This is used as an amplifier with a load of 20 kOmega) . Find the gain factor of the amplifier.

NARAYNA-SEMI CONDUCTOR DEVICES-C.U.Q
  1. In case of NPN transistor, emitter current is always greater than coll...

    Text Solution

    |

  2. When a transistor amplifier having current gain of 75 is given an inpu...

    Text Solution

    |

  3. An oscillator is an amplifier with

    Text Solution

    |

  4. In which of the transistor configurations, the voltage gain is highest...

    Text Solution

    |

  5. A working transitor with its three legs marked P, Q and R is tested us...

    Text Solution

    |

  6. Common emitter mode of a transistor is wedely used. Current gain, v...

    Text Solution

    |

  7. Transistor in C.E mode can be used as amplifier A small change in ba...

    Text Solution

    |

  8. In the Binary number system the number 100 represents :

    Text Solution

    |

  9. Among the following is not the function of NOT gate is

    Text Solution

    |

  10. Digital circuit can be made by repetitive use of

    Text Solution

    |

  11. Among the following one gives output 1 in the AND gate.

    Text Solution

    |

  12. Person who use Boolean algebra for describing the operation of logic g...

    Text Solution

    |

  13. NAND and NOR gates are called universal gates because they

    Text Solution

    |

  14. In positive logic, the logic state 1 corresponds to

    Text Solution

    |

  15. In Boolean algebra A + B = Y implies that :

    Text Solution

    |

  16. In the Boolean algebra, the following one is wrong

    Text Solution

    |

  17. In Boolean algebra A.B = Y implies that :

    Text Solution

    |

  18. In the Boolean algebra, the following one is wrong

    Text Solution

    |

  19. The following truth table is for {:(A,B,Y,,),(1,1,0,,),(1,0,1,,),(0,...

    Text Solution

    |

  20. The output of a 2-input OR gate is zero only when its

    Text Solution

    |