Home
Class 12
PHYSICS
If potential difference is applied the v...

If potential difference is applied the value of electric current

A

becomes infinite for an insulator kept at 0 K

B

becomes zero for a semiconductor kept 0 K

C

becomes finite for a metal kept at 0 K

D

becomes infinite in a forward biased p-n junction diode kept at 300 K

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise EXERCISE (Semiconductor diode )|1 Videos
  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise EXERCISE (Osillator )|1 Videos
  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS WITH ANSWER HINT (Multiple Options Correct )|1 Videos
  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

Two resistances 1 Omega and 2 Omega are connected in series and a potential difference of 6V is applied across the ends of this combination. What will be the terminal potential difference across the second resistance?

Two capacitors of capacitances 0.5 mu F and 0.75 mu F are connected in parallel. A potential difference of 600 V is applied to this combination. What are the charges on the two capacitors? Now, the two capacitors are connected in series and the same potential difference is applied. Find out the charges on the capacitors in this case.

Two resistances , each of magnitude 2Omega are connected in parallel and a potential difference of 2 V is applied at the two ends of the combination . What is the power of the combination?

Two resistances , each of magnitude 2Omega are connected in series and a potential difference of 2 V is applied at the two ends of the combination . What is the power of the combination?

if a potential difference of 2. 1 V is applied between the point Aand B then what will be the currents throught the resistances 40Omega and 45Omega ?

IF potential differences V applied across a conductor is increased to 2V,how will the drift velocity of electrons change?

Across a metallic conductor of non-uniform cross section a constant potential difference is applied.The quantity which remains constant along the conductor is

IF a wire of length 1 m and diameter 1.5 mm, a potential difference of 5 mV is applied between its two ends and the current through it is 500 mA.Determine the specific resistance for the material of the wire.

A potential difference V is applied across a parallel combination of n identical capacitors. Then they are connected in series in such a way that no loss of charge takes place. Now what is the potential difference across this combination?

CHHAYA PUBLICATION-SEMICONDUCTORS AND ELECTRONICS -EXERCISE (Multiple Choice Questions )
  1. If potential difference is applied the value of electric current

    Text Solution

    |

  2. Two pieces of copper and germanium are cooled from room temperature to...

    Text Solution

    |

  3. For in intrinsic semiconductor the energy gap of forbidden zone is app...

    Text Solution

    |

  4. In a semiconducting material the mobilities of electrons and holes a...

    Text Solution

    |

  5. In some substance charge can flow at ordinary temperature but not at v...

    Text Solution

    |

  6. If a small amount of antimony is added to germanium crystal

    Text Solution

    |

  7. Pure Si at 500 K has equal number of electron (n(e)) and hole (n(h)) c...

    Text Solution

    |

  8. If a p-n junction diode is not connected in a circuit then

    Text Solution

    |

  9. In the circuit shown in Fig 1.54 the forward bias resistances of both ...

    Text Solution

    |

  10. When a p-n diode is reverse biased then

    Text Solution

    |

  11. The current through the given circuit of Fig .1.56.

    Text Solution

    |

  12. The impurity atoms that should be added to germenium to make it n-type...

    Text Solution

    |

  13. The circuit has two oppositely connected ideal diodes in parallel. Wha...

    Text Solution

    |

  14. When a p-n junction is reverse biased then

    Text Solution

    |

  15. A Zener diode having breakdown voltage equal to 15V,is used in a volta...

    Text Solution

    |

  16. If the rate of doping in the emitter base and colletor of a transistor...

    Text Solution

    |

  17. In the active region of a transistor the biasisng at the emitter-base ...

    Text Solution

    |

  18. A transistor is used as

    Text Solution

    |

  19. In an n-p-n transistor circuit collector current is 10 mA. If 90% of e...

    Text Solution

    |

  20. For a transistor if (DeltaI(C))/(DeltaI(E))=0.96 then the current gain...

    Text Solution

    |