Home
Class 12
PHYSICS
A semiconducting device is connected is ...

A semiconducting device is connected is series with a battery, a resistance and a microammeter. It is found that there is practically no current in the circuit. But if the polarity of the battery is reversed, there is a sudden increase in the current. The device may be

A

a p-type semiconductor

B

an intrinsic semiconductor

C

an n-type semiconductor

D

a p-n junction diode

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 3|8 Videos

  • STATIONARY WAVES

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP-8|20 Videos

Similar Questions

Explore conceptually related problems

A semiconducting device is connected in a series circuit with a battery and a resistance. Current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops to zero. The device may be

A semiconducting device is connected in a series circuit with a battery and a resistance.A current is found to pass through the circuit .If the polarity of the battery is reversed, the current drops to almost zero.The device may be

A non conducting device is connected in aseries circuit with a battery and a resistance.A current is found to pass through the circuit.If the polarity of the battery is reversed,the current drops to almost zero.The device may be

A non conducting device is connected in aseries circuit with a battery and a resistance.A current is found to pass through the circuit.If the polarity of the battery is reversed,the current drops to almost zero.The device may be

In the given circuit the current through the battery is

In the given circuit, the current through the battery is

MARVEL PUBLICATION-SEMICONDUCTORS -MCQs
  1. Freuency of given AC signal is 50 Hz. When it connected to a half - wa...

    Text Solution

    |

  2. The depletion layer in a p-n junction diode is 10^(-6) m wide and its ...

    Text Solution

    |

  3. A semiconducting device is connected is series with a battery, a resis...

    Text Solution

    |

  4. The dominant mechanisms for motion of charge carriers in forward and r...

    Text Solution

    |

  5. For the diode D, the forward resistance is zero and the backward resis...

    Text Solution

    |

  6. In the middle of the depletion layer of a reverse - biased p - n junc...

    Text Solution

    |

  7. Two PN-junction can be connected in series by three different methods ...

    Text Solution

    |

  8. In a p- n junction diode not connected to any circuit,

    Text Solution

    |

  9. The peak voltage in the output of a half-wave diode rectifier fed with...

    Text Solution

    |

  10. In the following, which one of the diodes is reverse biased ?

    Text Solution

    |

  11. A semiconductor diode and a resistor of constant resistance are connec...

    Text Solution

    |

  12. Which circuit will not show current in ammeter ?

    Text Solution

    |

  13. A semiconductor X is made by dopping a germanium crystal with arsenic ...

    Text Solution

    |

  14. What is the value of D.C. voltage in a half wave rectifier in converti...

    Text Solution

    |

  15. In the given circuit The current through the battery is

    Text Solution

    |

  16. Which one of the following is the correct statement regarding the depl...

    Text Solution

    |

  17. The circuit shown in figure (1) Contains two diodes each with a forwar...

    Text Solution

    |

  18. For the given circuit of PN-junction diode, which of the following sta...

    Text Solution

    |

  19. Colour of light emitted by LED depends upon

    Text Solution

    |

  20. A general purpose diode is more likely to suffer avalanche breakdown r...

    Text Solution

    |