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The electrical conductivity of a semicon...

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. Find the band gap of the semiconductor.

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0.5eV
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AAKASH SERIES-SEMICONDUCTOR DEVICES-Problems (LEVEL-I)
  1. The electrical conductivity of a semiconductor increases when electrom...

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  2. In a pure semiconductor, the number of conduction electron is 6xx10^(1...

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  3. Find the static resistance of a P-N junction germanium diode if temper...

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  4. In a p-n junction diode the thickness of depletion layer is 2 xx 10^(-...

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  5. A potential barrier of 0.3V exists across a P-N junction (a) If the de...

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  6. A junction diode is connected to an external resistance of 100Omega an...

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  7. The junction diode shown in figure is ideal. Find the current in the c...

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  8. Determine the current through a silicon diode of (barrier potential = ...

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  9. Find the current in the circuit shown below

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  10. Calculate the current flowing in the circuit below which has two oppos...

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  11. The circuit shown in figure contains two diodes each with a forward re...

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  12. A p-n junction diode can withstand current up to 10 mA under forward b...

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  13. The resistance of the diode in the forward biased condition is 20Omega...

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  14. Find maximum voltage across AB in the circuit shown in figure. Assume ...

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  15. The diode used in the circuit shown in the figure has a constant volta...

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  16. For the circuit shown in Fig. find 1) the output voltage 2) the vo...

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  17. The applied input AC power to a half wave rectifier is 190W. The DC ou...

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  18. A p-n diode is used in a half wave rectifier with a load resistance of...

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  19. A full wave rectifier uses two diodes with a load resistance of 100 O...

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  20. A full-wave rectifier is used to convert 50 Hz A.C into D.C, then the ...

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