Home
Class 12
PHYSICS
A n-p-n transistor conducts when...

A `n-p-n` transistor conducts when

A

both collector and emitter are positive with respect to the base

B

both collector and emitter are negative with respect to the base

C

collector is positive and emitter is negative with respect to the base

D

collector is positive and emitter is at same potential as the base

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • OSCILLATIONS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos
  • ROTATIONAL MOTION

    TARGET PUBLICATION|Exercise MCQ|245 Videos

Similar Questions

Explore conceptually related problems

A npn transistor conducts when

In an n-p-n transistor

When a multimeter is connected to a transistor, it conducts when

With respect to the potential of emitter, base and collector, a NPN transistor conducts when

An n-p-n transistor circuit is arranged as shown in fig. It is -

In n-p-n transistor circuit, the collector current is 20 mA. If 90% of the electrons emitted reache the collector, then the

In an n-p-n transistor circuit, the collector current is 20 mA. If 90 % of electron emitted reach the collector :-

In an n- p-n transistor cirrect , the collectorcurrect is 10m A if 90 % of the electrons reach the collector.

An n-p-n transistor can be considered to be equivalent to two diodes, connected. Which of the following figures is the correct one ?

TARGET PUBLICATION-QUESTION PAPER 2019-MCQ
  1. The air column in a pipe open at both ends vibrates with the frequency...

    Text Solution

    |

  2. A long tube open at the top is fixed verticallly and water level insid...

    Text Solution

    |

  3. The values of coefficient of performance (alpha) and efficiency (eta) ...

    Text Solution

    |

  4. The ratio of rates of emission of heat by a black body at 367^@" at " ...

    Text Solution

    |

  5. According to corpuscular theory of light which is NOT the property of ...

    Text Solution

    |

  6. In Young's experiment the distance between the nth fringe on one side ...

    Text Solution

    |

  7. In Young's double slit experiment intensity at a point is ((1)/(4)) of...

    Text Solution

    |

  8. A potential difference between plates of parrallel plate

    Text Solution

    |

  9. Volymeter can not be used to measure emf to a cell potentiometer can b...

    Text Solution

    |

  10. Modified Ampere's circuital law stated by Maxwell is (I=conduction cur...

    Text Solution

    |

  11. A voltmeter has a resistance G and range V. Calculate the resistance t...

    Text Solution

    |

  12. A charge moves in a circle perpendicular to a magnetic field. The time...

    Text Solution

    |

  13. The magenetic susceptility of paramagnetic substance is 3 xx 10^(-4). ...

    Text Solution

    |

  14. A coil of inductor'L' is connected to an a.c. source of emf E and freq...

    Text Solution

    |

  15. When a light of wavelength 4000 Å falls on a photoelectric emitter, ph...

    Text Solution

    |

  16. An electron of mass m and charge e is accelerated from rest through a ...

    Text Solution

    |

  17. In the Bohr model of the hydrogen atom, let R, v and E represent the r...

    Text Solution

    |

  18. In radioactive transformation, Uranimum ""(92)^(238)U emits 2alpha and...

    Text Solution

    |

  19. A n-p-n transistor conducts when

    Text Solution

    |

  20. The ozone layer of the atmosphere blocks

    Text Solution

    |