Home
Class 12
PHYSICS
The collector supply voltage is 6 V and ...

The collector supply voltage is 6 V and the voltage drop across a resistor of `600 Omega` in the collector circuit is 0.6 V , in a transistor connected in common emitter mode . If the current gain is 20 , the base current is

A

0.25 mA

B

0.05 m A

C

0.02 m A

D

0.07 m A

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|3 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|26 Videos
  • WAVE OPTICS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|17 Videos

Similar Questions

Explore conceptually related problems

Find the voltage drop across 18 Omega resistor in the given circuit.

The current gain for a transistor working as common base amplifier is 0.96. If the emitter current is 7.2 mA, then the base current is

A current gain for a transistor working as CB amplifier is 0.90 . If emitter current is 10mA, then base current is ………….

For a transistor connected in common emitter mode , the voltage drop across the collector is 2 V and beta is 50 . Find base current if R_(C) is 2K .

What is the change in the collector current , in a transistor of a.c. current gain 150, for a 100 mu A change in base current ?

A npn transistor is cnnected in common emitter configuration in a given amplifier . A load resistance of 800Omega is connected in the collector circuit and the voltage drop across it is 0.8V. YF the current amplification factor is 0.96 and the input resistance of the circuit is 192Omega , the voltage gain and the power gain of the amplifier will respectivel be:

A load resistor of 2 k Omega is connected in the collector branch of an amplifier circuit using a transistor in common-emitter mode. The current gain beta=50 .The input resistance of the transistor is 0.50 k Omega . If the input current is changed by 50 mu A ,(a)by what amount does the output voltage change by ,(b)by what amount does the input voltage change and (c) what is the power gain ?

In p-n-p transistor circuit, the collector current is 10 mA. If 90 % of the holes reach the collector. Find emitter and base currents

In an electric circuit, there is a capacitor of reactance 100 Omega connected across the source of 220 V, find the displacement current.

NEW JOYTHI PUBLICATION-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -COMPETITIVE EXAM CORNER
  1. A pure semiconductor has equal electron and hole concentration of 10^(...

    Text Solution

    |

  2. The collector supply voltage is 6 V and the voltage drop across a resi...

    Text Solution

    |

  3. A full - wave rectifier circuit with an ac input is shown. The ou...

    Text Solution

    |

  4. When the voltage drop across a p-n junction diode is increased from 0...

    Text Solution

    |

  5. If the voltage between the terminals A and B is 17 V and Zener breakdo...

    Text Solution

    |

  6. GaAs (with a band gap = 1.5 eV) as a L.E.D can emit

    Text Solution

    |

  7. The circuit diagram shows a logic combination with the states of outpu...

    Text Solution

    |

  8. In a common emitter transistor amplifier , the output resistance is 50...

    Text Solution

    |

  9. In the circuit given , the current through the zener diode is

    Text Solution

    |

  10. A transistor oscillator is (i) an amplifier with positive feedback (ii...

    Text Solution

    |

  11. A semiconductor with a band gap of 2.5 eV is used to fabricate a p-n p...

    Text Solution

    |

  12. In the circuit given A , B and C are inputs and Y is the output T...

    Text Solution

    |

  13. In the given circuits for ideal diode , the current through the batter...

    Text Solution

    |

  14. The logic gates giving output '1' for the inputs of '1' and '0' are

    Text Solution

    |

  15. Identify the mismatch of the following :

    Text Solution

    |

  16. If a PN junction diode of depletion layer width W and barrier height ...

    Text Solution

    |

  17. The heavily and lightly doped regions of a bipolar junction transistor...

    Text Solution

    |

  18. The device used for detecting optical signal is

    Text Solution

    |

  19. The logical operation carried out by the above circuit is

    Text Solution

    |

  20. In CE transistor amplifier , if the base current is increased by 20 mu...

    Text Solution

    |