Home
Class 12
PHYSICS
In a p-n junction photo cell, the value ...

In a `p-n` junction photo cell, the value of the photo electromotive force produced by monochromatic light is proportional to

A

The voltage applied at the PN junction

B

The barrier voltage at the PN junction

C

The intensity of the light falling on the cell

D

The frequency of the light falling on the cell

Text Solution

Verified by Experts

The correct Answer is:
C

Photo emf or photo current `prop` Intensity of light.
Promotional Banner

Topper's Solved these Questions

  • ELECTRONICS

    ERRORLESS|Exercise Assertion & Reason|26 Videos
  • ELECTRONICS

    ERRORLESS|Exercise NCERT Based Questions (Digital Electronics)|23 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT & X -RAY

    ERRORLESS|Exercise ASSERTION & REASON|27 Videos
  • ELECTROSTATICS

    ERRORLESS|Exercise ASSERTION & REASON|25 Videos

Similar Questions

Explore conceptually related problems

In a p-n junction photo cell, the value of the of the photo electromotive force produced by monochromatic light is proportional to

In a p-n junction, solar cell, the value of photoelectromotive force produced by monochromatic light is proportional to the

In p -n junction photocell electromotive force due to monochromatic light is proportional to

Photo cells are used for the

What is electromotive force of a cell?

Electromotive force of a cell is basically a

ERRORLESS-ELECTRONICS-Past years questions
  1. In an unblased p-n junction, holes diffuse from the p - region to n- r...

    Text Solution

    |

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

    Text Solution

    |

  3. In a p-n junction photo cell, the value of the photo electromotive for...

    Text Solution

    |

  4. The given graph represents V-I characteristic for a semiconductor devi...

    Text Solution

    |

  5. The cause of the potential barrier in a P-N diode is

    Text Solution

    |

  6. Barrier potential of a p-n junction diode does not depend on

    Text Solution

    |

  7. The barrier potential of a p-n junction depends on : (i) type of semic...

    Text Solution

    |

  8. A light emitting diode (LED) has a voltage drop of 2V across it and pa...

    Text Solution

    |

  9. Two ideal diodes are connected to a battery as shown in the circuit. T...

    Text Solution

    |

  10. Consider the junction diode as ideal. The value of current flowing thr...

    Text Solution

    |

  11. Current in the circuit will be

    Text Solution

    |

  12. In the given figure, a diode D is connected to an external resistance ...

    Text Solution

    |

  13. The given circuit has two ideal diodes connected as show in the figure...

    Text Solution

    |

  14. Which one of the following represents forward bias diode?

    Text Solution

    |

  15. For transistor action which of the following statement are correct (...

    Text Solution

    |

  16. The minimum potential difference between the base and emitter required...

    Text Solution

    |

  17. One way in which the operation of an npn transistor differ from that o...

    Text Solution

    |

  18. In case of NPN-transistor the collector current is always less than th...

    Text Solution

    |

  19. A transistor is operated in common emitter configuration at V(c)=2 V s...

    Text Solution

    |

  20. In a common emitter transistor, the current gain is 80. What is the ch...

    Text Solution

    |