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Single Stage Transistor - section-1
  1. CC configuration is used for impedance matching because its ___________

    2. A.

     Input impedance is very high
    B.

     Input impedance is low
    C.

     Output impedance is very low
    D.

     None of the above

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  2. If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ___________

    3. A.

     20 kΩ
    B.

     2 kΩ
    C.

     10 kΩ
    D.

     5 kΩ

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  3. The value of collector load RC in a transistor amplifier is ___________ the output impedance of the transistor.

    4. A.

     The same as
    B.

     Less than
    C.

     More than
    D.

     None of the above

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  4. The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________

    5. A.

     Avoid voltage gain drop
    B.

     Forward bias the emitter
    C.

     Reduce noise in the amplifier
    D.

     None of the above

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  5. A single stage transistor amplifier with no load sees an a.c. load of

    6. A.

     RC + RE
    B.

     RC
    C.

     RC || RE
    D.

     RC/RE

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  6. The purpose of capacitors in a transistor amplifier is to ___________

    7. A.

     Protect the transistor
    B.

     Cool the transistor
    C.

     Couple or bypass a.c. component
    D.

     Provide biasing

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  7. The purpose of a coupling capacitor in a transistor amplifier is to ___________

    8. A.

     Increase the output impedance of transistor
    B.

     Protect the transistor
    C.

     Pass a.c. and block d.c.
    D.

     Provide biasing

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  8. If the input capacitor of a transistor amplifier is short-circuited, then

    9. A.

     Transistor will be destroyed
    B.

     Biasing conditions will change
    C.

     Signal will not reach the base
    D.

     None of the above

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  9. The phase difference between the output and input voltages of a CE amplifier is ___________

    10. A.

     180°
    B.

     0°
    C.

     90°
    D.

     270°

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  10. The ratio of output impedance of a CE amplifier is ___________

    11. A.

     About 1
    B.

     Low
    C.

     High
    D.

     Moderate

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