Home
Class 12
PHYSICS
An n-p-n transistor of current gain 80 i...

An n-p-n transistor of current gain 80 in common emitter mode gives emitter current equal to 8.1mA. The base current is

A

`0.1 muA`

B

`0.01 mA`

C

`0.1 mA`

D

`0.01 muA`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2015

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS (CATEGORY III)|5 Videos
  • QUESTION PAPER 2017

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|36 Videos

Similar Questions

Explore conceptually related problems

In a transistor the change in collector current is 706 mA for the change of emitter current of 8.0mA. What is the value of beta ?

An n-p-n transistor is Kept in common- emitter con- figuation. AmpIification factor of the transistor is 100.If the coIIector current is changed by 1 mA, what wiII by the corresponding change in the emitter current?

Draw the output characteristics of an n-p-n transistor in common emitter configuration for five base currents. What is an oscillator?

In an n-p-n transistor circuit collector current is 10 mA. If 90% of electrons from the emitter enter into the collector then,

In a transistor output characteristics commonly used in common emitter configuration, the base current I_B the collector current I_C and the collector-emitter voltage V_(CE) have values of the following orders of magnitude in the active region

A n-p-n transistor is connected to common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 Omega the voltage gain and the power gain of the amplifier will respectively be

In a transistor output characteristic commonly used in common-emitter configuration the base current I_(B) the collector current I_(C) and the collector -emitter voltage "V"_(CE) have values of the following orders of the magnitude in the active region

A transistor has beta =100 and I_(B)=20 mu A. Find the emitter current.

Current gain of a common-emitter transistor amplifier is 50. If the emitter current is 6.6 mA , calculate collector current and base current.

A transistor is operated in common-emitter configuration at V_(C)=2 V such that a change in the base current from 100 mu A to 300 mu A produces in the collector current from 10 mA to 20 mA. The current gain is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2016-PHYSICS
  1. When a body moves in a circular orbit its total energy is

    Text Solution

    |

  2. A sphere, a cube and a thin circular plate, all made of the same mater...

    Text Solution

    |

  3. A body attached to the lower end of a vertical spring oscillates with ...

    Text Solution

    |

  4. The minimum and maximum capacitances, which may be obtained by the com...

    Text Solution

    |

  5. The current flowing through the 3Omega resistor in the circuit is

    Text Solution

    |

  6. A series LCR circuit resonates at 10 kHz. If the capacitor is 0.01 muF...

    Text Solution

    |

  7. Two charges of equal amount +Q are placed on a line. Another charge q...

    Text Solution

    |

  8. The increase in electrostatic potential energy of a dipole of moment p...

    Text Solution

    |

  9. An n-p-n transistor of current gain 80 in common emitter mode gives em...

    Text Solution

    |

  10. A zener diode has break down voltage of 5.0 V. The resistance require...

    Text Solution

    |

  11. A particle of mass 'm' and carrying a charge q enters with a velocity ...

    Text Solution

    |

  12. Equivalent resistance of the given infinite circuit is

    Text Solution

    |

  13. The ionization potential of hydrogen is -13.6 eV. The energy required ...

    Text Solution

    |

  14. Assume that the Earth rotates in a circular orbit round the Sun in 365...

    Text Solution

    |

  15. For the following set(s) of forces (in the same unit) the resultant c...

    Text Solution

    |

  16. An electric dipole is placed in a non-uniform electric field vecE . Th...

    Text Solution

    |

  17. At any instant current i through a coil of self inductance 2 mH is giv...

    Text Solution

    |

  18. A and B are two parallel sided transparent slabs of refractive indices...

    Text Solution

    |

  19. The pair of parameters temperature T, pressure P. volume V and work W ...

    Text Solution

    |

  20. Equation of a wave is given by y = 10^(4) sin(60t + 2x) , x & y in met...

    Text Solution

    |