Home
Class 12
PHYSICS
A light emitting diode is shown as...

A light emitting diode is shown as

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
A light emitting diode is represented by the symbol given in (b). (a) is a photodiode, (c) is a junction diode and ( d) is a zener diode.
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 light emining diode is shown as

A light emitting diode (LED) has a voltage drop of 2V across it and passes a current of 10 mA . When it operates with a 6V battery through a limiting resistor R . The value of R is

The on/off time or switching time of light emitting diodes is the order of

A light emitting diode has a voltage drop of 2 v across it and passes a current of 10muA . When it operates with a 6 v battery through a limiting resistor R, the value of R is

A light-emitting diode (LED) has a voltage drop of 2V across it and passes a current of 10 muA , when it operates with a 6V battery with a limiting resistor R. what is the value of R ?

MARVEL PUBLICATION-SEMICONDUCTORS -MCQs
  1. The depletion region of p-n junction has a thickness of the order of

    Text Solution

    |

  2. Which logic gate corresponds to the truth table given below ?

    Text Solution

    |

  3. A light emitting diode is shown as

    Text Solution

    |

  4. For a transistor , alpha(dc) and beta(dc) are the current ratios, t...

    Text Solution

    |

  5. Photodiode is a device

    Text Solution

    |

  6. The energy band gap is maximum in

    Text Solution

    |

  7. INTRINSIC SEMICONDUCTORS

    Text Solution

    |

  8. A semiconductor is known to have an electron concentration of 5 xx 10^...

    Text Solution

    |

  9. When arsenic is added as an impurity to silicon, the resulting materia...

    Text Solution

    |

  10. which one of the following statements is wrong ?

    Text Solution

    |

  11. In a p-n junction, the thickness of the depletion layer is 10^(-6) m. ...

    Text Solution

    |

  12. What is the current in the following junction diode circuit?

    Text Solution

    |

  13. A p-n junction diode has a forward bias resistance of 10Omega and a re...

    Text Solution

    |

  14. The width of the depletion region in a p-n junction diode is 400 nm an...

    Text Solution

    |

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

    Text Solution

    |

  16. State the reason, why GaAs is most commonly used in making of a solar ...

    Text Solution

    |

  17. Avalanche breakdown is due to

    Text Solution

    |

  18. A P-N photodiode is fabricated from a semiconductor with a band gap of...

    Text Solution

    |

  19. What is the current flowing through 1 KOmega restsor in the following...

    Text Solution

    |

  20. For a transistor, beta = 50. Input resistance (Ri) = 200Omega. Output ...

    Text Solution

    |