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Semiconductor D...

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  • Question 1
    4 / -1

    The most commonly used material for making transistor is

  • Question 2
    4 / -1

    An NPN-transistor circuit is arranged as shown figure. It is

  • Question 3
    4 / -1

    The part of a transistor which is heavily doped to produce a large number of majority carriers, is

  • Question 4
    4 / -1

    For a transistor, the current amplification factor is 0.8. The transistor is connected in common emitter configuration. The change in the collector current when the base current changes by 6 mA is

  • Question 5
    4 / -1

    In a common base amplifier circuit, calculate the change in base current if that in the emitter current is 2 mA and α = 0.98

  • Question 6
    4 / -1

    In case of NPN-transistors the collector current is always less than the emitter current because

  • Question 7
    4 / -1

    In a transistor circuit shown here the base current is 35µA. The value of the resistor Rb is

  • Question 8
    4 / -1

    In a common emitter amplifier the input signal is applied across

  • Question 9
    4 / -1

    If β, RL and r are the A.C current gain, load resistance and the input resistance of a transistor respectively in CE configuration, the voltage and the power gains respectively are

  • Question 10
    4 / -1

    When NPN transistor is used as an amplifier

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