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Home ‣ Electronics ‣ Transformers See What Others Are Saying!
  • Question

  • If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is


  • Options
  • A. 100 W
  • B. 50 W
  • C. 75 W
  • D. 200 W

  • Correct Answer
  • 100 W 

    • More questions

    • 1.  is the algebraic expression for the duality theorem.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. 

      The total circuit current is _____ in the given circuit.


    • Options
    • A. 1.52 mA
    • B. 1.61 mA
    • C. 2.21 mA
    • D. 2.71 mA
      • Discuss
    • 3. Series components in a series?parallel circuit may be in series with other _______________ components, or with other _______________ components.

    • Options
    • A. individual, combinations of
    • B. series, parallel
    • C. parallel, series
    • D. shunt, parallel
      • Discuss
    • 4. The gain of an OTA is the ratio of the output current to the input voltage, and is measured in _____________.

    • Options
    • A. amps
    • B. volts
    • C. siemens
    • D. no units
      • Discuss
    • 5. The impedance in an RC parallel circuit is

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The frequency response curve illustrates that as the frequency of the input increases, the voltage of the output will decrease.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A D-type flip-flop is constructed by connecting an inverter between the Set and Clock terminals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Counters are common components in digital clocks.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. If the voltage across a resistor ___, the current flowing through it will increase.

    • Options
    • A. increases
    • B. decreases
    • C. stays the same
    • D. Not enough information
      • Discuss
    • 10. What is the power factor?


    • Options
    • A. 0.279
    • B. 0.479
    • C. 0.679
    • D. 0.879
      • Discuss

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