Physical electronics devices and ics miscellaneous

Physical electronics devices and ics miscellaneous

Easy Questions

Physical Electronics Devices and ICs

Physical electronics devices and ics miscellaneous
  1. What is the peak inverse voltage across each diode in a voltage doubler?








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    NA

    Correct Option: B

    NA

  1. What is the voltage measured from the negative terminal of C4 to the negative terminal of the transformer? Given Vm = 5V.—










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    NA

  1. Determine V2.—










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    From the given information we can make the equivalent circuit as shown below:
    Applying KVL
    10 – 4.7kΩ × I – 0.7 – 2.2 kΩ × I – 5 = 0

    or I =
    10 – 0.7 – 5
    		=
    4.3 V
    		= 0.623 mA
    (4.7 + 2.2) kΩ6.9 Ω

    V2 = I × 2.2 kΩ = 0.623 mA × 2.2 kΩ
    or V2 = 1.371 V


    Correct Option: D

    From the given information we can make the equivalent circuit as shown below:
    Applying KVL
    10 – 4.7kΩ × I – 0.7 – 2.2 kΩ × I – 5 = 0

    or I =
    10 – 0.7 – 5
    		=
    4.3 V
    		= 0.623 mA
    (4.7 + 2.2) kΩ6.9 Ω

    V2 = I × 2.2 kΩ = 0.623 mA × 2.2 kΩ
    or V2 = 1.371 V


  1. A diode is in the ‘‘_____’’state if the current established by the applied sources is such that its direction matches that of the arrow in the diode symbol, and VD ? 0.7 V for Si and VD? 0.3 V for Ge.








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    NA

    Correct Option: B

    NA

  1. An open circuit can have any voltage across its terminals, but the current is always_____








  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    NA