Analog electronics circuits miscellaneous

Analog electronics circuits miscellaneous

Easy Questions

Analog Electronic Circuits

Analog electronics circuits miscellaneous
  1. An RC coupled amplifiers is also called audio amplifier because:








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    Refer synopsis.

    Correct Option: C

    Refer synopsis.

  1. A BJT is said to be operated in the saturation region if:








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    A bipolar junction transistor is said to be operated in saturation region when both the junctions are forward biased.

    Correct Option: C

    A bipolar junction transistor is said to be operated in saturation region when both the junctions are forward biased.

  1. Heat sinks are used with power transistors to:








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    Heat sinks are used with power transistors to increase the collector dissipation rating of the transistor.

    Correct Option: A

    Heat sinks are used with power transistors to increase the collector dissipation rating of the transistor.

  1. Thermal runaway in a transistor biased in the active region is due to:








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    Thermal runaway in a transistor biased in the active region is due to change in reverse saturation current due to rise in temperature.

    Correct Option: D

    Thermal runaway in a transistor biased in the active region is due to change in reverse saturation current due to rise in temperature.

  1. The basic purpose of a filter is to:








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    The basic purpose of a filter is to remove ripples from the rectified output.

    Correct Option: C

    The basic purpose of a filter is to remove ripples from the rectified output.