Home
Class 12
PHYSICS
Consider the following statement A and B...

Consider the following statement `A` and `B` and identify the correct choice of the given answers
`A:` The width of the depletion layer in a `P-N` junction diode increases in forwards biase
`B:` In an intrinsic semiconductor the fermi energy level is exactely in the middle of the forbidden gap

A

A is true and B is false

B

Both A and B are false

C

A is false and B is true

D

Both A and B are true

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRONICS

    ERRORLESS |Exercise Digital Electronics|2 Videos

  • ELECTRONICS

    ERRORLESS |Exercise Valve Electronics (Diode and Triode)|3 Videos

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Self Evaluation Test|3 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

Similar Questions

Explore conceptually related problems

Why does the width of depletion layer of a p-n junction increase in reverse biasing?

Cosider the following statements A, B and identify the correct choice in the given answers A : Density of a nucleus is independent of is mass number B: Beryllium is used as moderator in nucleus reactors

What happens to the width of depletion layer of a p-n junction when it is (i) forward biased, (ii) reverse biased?

Consider the folllowing statements i and ii and identify the correct choice of the given answers. A zener diode is always connected in reverse bias. The potential barrier of a p-n junction lies between 0.1 to 0.03 V approximately.

Consider the following two statements A and B and identify the correct choice in the given answer A : The characteristic X-ray spectrum depends on the nature of the material of the target B : The short wavelength limit of continuous X-ray spectrum varies inversely with the potential difference applied to the X-rays tube

Consider the following two statements A and B , and identify the correct choice out of given answers A. Thermo e.m.f. is minimum at neutral temperature of a thermocouple B. When two junctions made of two different metallic wires are maintained at different temperatures, an electric current is generated in the circuit.

Consider the following statements A and B and identify the correct answer. (A)A zener diode should be connected in reverse bias for proper functioning (B) The potential barrier of a p-n junction lies between 2 V and 5 V

Consider the following statements A and B and identify the correct answer (1) : Germanium is preferred over silicon in the construction of zener diode. (2) : Germanium has high thermal stability than silicon in the construction of Zener diode.

ERRORLESS -ELECTRONICS-Selv Evaluation Test
  1. Consider the following statement A and B and identify the correct choi...

    Text Solution

    |

  2. In a pure silicon (n(i)=10^(16)//m^(3)) crystal at 300K, 10^(21) atoms...

    Text Solution

    |

  3. In the Boolean algebra bar(A).bar(B) equals is :-

    Text Solution

    |

  4. In the given circuit as shown the two input waveform A and B are appli...

    Text Solution

    |

  5. Two identical capacitors A and B are charged to the same potential V a...

    Text Solution

    |

  6. In transistor, forward bias is always smaller than the reverse bias. T...

    Text Solution

    |

  7. In NPN transistor, if doping in base region is increased then collecto...

    Text Solution

    |

  8. In the following circuit I(1) and I(2) are respectively

    Text Solution

    |

  9. In space charge limited region, the plate current in a diode is 10 mA ...

    Text Solution

    |

  10. A triode has a plate resistance of 10 k Omega and amplification factor...

    Text Solution

    |

  11. Pure sodium (Na) is a good conductor of electricity because the 3s and...

    Text Solution

    |

  12. Would there be any advantage to adding n-type or p-type impurities to ...

    Text Solution

    |

  13. In the following common emitter circuit if beta=100, V(CE)=7 V, V(BE)=...

    Text Solution

    |

  14. When a battery is connected to a P-type semiconductor with a metallic ...

    Text Solution

    |

  15. Is the ionisation energy of an isolated free atom different from the i...

    Text Solution

    |

  16. In the following circuit, a voltmeter V is connected across a lamp L. ...

    Text Solution

    |

  17. For given electric voltage signal dc value is

    Text Solution

    |

  18. When a silicon PN junction is in forwards biased condition with series...

    Text Solution

    |

  19. In the following circuit the equivalent resistance between A and B is

    Text Solution

    |

  20. In the following circuit of PN junction diodes D(1),D(2) and D(3) are ...

    Text Solution

    |

  21. In circuit in following figure the value of Y is-

    Text Solution

    |