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ECE :: Analog Electronics

  1. The encapsulation of transistor is necessary for

  2. A.

     Preventing radio interference

    B.

     Preventing photo-emission effects

    C.

     Avoiding loss of free electrons

    D.

     Mechanical ruggedness


  3. In deriving ac equivalent circuit for an amplifier circuit we short circuit

  4. A.

     All resistors

    B.

     All transistors

    C.

     All inductors

    D.

     All capacitors


  5. Thermal runaway is not possible in FET because as the temperature of FET increases

  6. A.

     The mobility decreases

    B.

     The transconductance increases

    C.

     The drain current increases

    D.

     None of the above