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Semiconductor D...

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  • Question 1
    4 / -1

    A light emitting diode has a voltage drop of 2V across it when 10mA current is passed. If this LED is to be operated with 6V battery the value of limiting resistor would be_______ .

  • Question 2
    4 / -1

    NAND gate is __________ .

  • Question 3
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    The number of holes and electrons in an intrinsic conductors are x and y respectively at room temperature. Which of the following options are true ?

  • Question 4
    4 / -1

    How will you increase the resistivity of Ge semi-conductor ?

  • Question 5
    4 / -1

    From the following semi-conductor devices, __________ operates in forward bias only.

  • Question 6
    4 / -1

    ___________ device is the odd-one out.

  • Question 7
    4 / -1

    The value of depletion capacitance ___________ on decreasing the reverse bias on varactor diode

  • Question 8
    4 / -1

    Which of the following statement is correct for transistor LC oscillator circuit ?

  • Question 9
    4 / -1

    The frequency of output signal of LC oscillator circuit is 100Hz with capacitance value 0.1µF . If value of capacitance is taken as 0.2µF, the frequency of output signal _________.

  • Question 10
    4 / -1

    The Common Emmiter amplifier has voltage gain equal to 300 and its input signal is 0.5cos(100 t) volt. The output signal will be equal to

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