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Semiconductors ...

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  • Question 1
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    LED's can emit:

  • Question 2
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    In ______________the conduction band overlaps on the valence band.

  • Question 3
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    A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is nearly :

  • Question 4
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    In the half-wave rectifier, what is the output frequency if the input frequency is 75 Hz?

  • Question 5
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    Consider the junction diode as ideal. The value of current flowing through AB is

  • Question 6
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    An LC oscillator consists of an inductor of self-inductance L and a capacitor of capacitance C, then the natural frequency of the oscillator is:

  • Question 7
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    What type of diode can be used as a voltage regulator?

  • Question 8
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    When a transistor is used in common emitter configuration, the __________.

  • Question 9
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    Transfer characteristics [output voltage (V0) vs input voltage (Vi)] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used

  • Question 10
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    The output of an AND gate is 1 if the inputs are _______.

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