Home
Class 12
PHYSICS
A common emitter circuit is used as an a...

A common emitter circuit is used as an amplifier, its current gain is 50. if input resistance is `1kOmega` and input voltage is 5 volt then output current will be

A

250 mA

B

30 mA

C

50 mA

D

100 mA

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 2|16 Videos

  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 3|88 Videos

  • SEMICONDUCTORS

    RESONANCE|Exercise Exercise 3|88 Videos

  • REVISION DPP

    RESONANCE|Exercise All Questions|444 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE|Exercise Advanced Level Problems|13 Videos

Similar Questions

Explore conceptually related problems

A common emitter circuit is used as an amplifier. Its current gain is 50 . If the input resistance is 1kohm and the input voltage is 5 V , then the output current (in mA) will be

A common emitter amplifier has current gain 70. Its load resistance is 5 k Omega and input resistance is 500 Omega . The voltage gain is

A common emitter transistor amplifier has a current gain of 50 . If the load resistance is 4k Omega , and input resistance is 500 Omega , the voltage gain of amplifier is.

A change of 0.2mA in the base current cause a change of 5mA in the collector current for a common emitter amplifier. (i) Find the a.c. current gain of the transistor (ii) If the input resistance is 2kOmega and its voltage gain is 75. Calculate the load resistance used in the circuit.

A transistor has a current amplification factor (current gain) of 50. In a common emitter amplifier circuit, the collector resistance is chosen as 5Omega and the input resistance is 1Omega . The output voltage if input voltage is 0.01 V is

In common emitter amplifier, the current gain is 62. The collector resistance and input resistance are 5 k Omega an 500 Omega respectively. If the input voltage is 0.01V, the output voltage is

The current gain for a common emtiter amplifier is 50 the collector resistance of the CE amplifier circuit is 2 k omega and input resistance is 500 omega if the input voltage is 0.02 V calculate the output voltage Also calculate the power gain of the circuit

A non transistor operates as a common emitter amplifier, with a power gain of 60 dB. The input circuit resistance is 100 Omega and the output load resistance is 10 k Omega . The common emitter current gain beta is:

RESONANCE-SEMICONDUCTORS-Exercise
  1. An amplifier is nothing but an oscillator with-

    Text Solution

    |

  2. When N-P-N transistor is used as an amplifier-

    Text Solution

    |

  3. A common emitter circuit is used as an amplifier, its current gain is ...

    Text Solution

    |

  4. In an NPN transistor the collector current is 10 mA. If 90% of electro...

    Text Solution

    |

  5. Which of the following is true?

    Text Solution

    |

  6. For transistor relation in current amplification factors is-

    Text Solution

    |

  7. For a transistor the value of alpha is 0.9. beta value is

    Text Solution

    |

  8. In a PNP transistor working as common-base amplifier, current gain is ...

    Text Solution

    |

  9. In an NPN transistor 10^(10) electrons enter the emitter in 10^(-6)s a...

    Text Solution

    |

  10. In the following common emitter configuration an NPN transistor with c...

    Text Solution

    |

  11. An n - p- n transistor is connected in common - emitter configurarati...

    Text Solution

    |

  12. In an NPN transistor the values of base current and collector current ...

    Text Solution

    |

  13. In a common emitter circuit, if V(CE) is changed by 0.2 V, then collec...

    Text Solution

    |

  14. Which of the following statement is not true ?

    Text Solution

    |

  15. The symbolic representation of four logic gates are given in Fig.The l...

    Text Solution

    |

  16. The output of OR gate is 1

    Text Solution

    |

  17. Following diagram performs the logic function of-

    Text Solution

    |

  18. The truth table given below is for: |(A,B,X),(0,0,0),(0,1,0),(1,0,0)...

    Text Solution

    |

  19. NAND gate is-

    Text Solution

    |

  20. The truth table given below is for which gate? |(A,B,C),(0,0,1),(0,1...

    Text Solution

    |