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Home Electronics Transformers See What Others Are Saying!
  • Question
  • What is the power dissipated in the primary of the transformer in the given circuit? 25 mW 500 mW 12

    What is the power dissipated in the primary of the transformer in the given circuit?


  • Options
  • A. 25 mW
  • B. 500 mW
  • C. 12.5 W
  • D. 62.5 W

  • Correct Answer
  • 62.5 W 


  • More questions

    • 1. 

      In the given circuit, _____ are in series.


    • Options
    • A. R1 and R3
    • B. R3 and R5
    • C. R5 and R7
    • D. None of the above
    • Discuss
    • 2. A sixteen-input multiplexer will need three data select input control lines.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. R2 is open.


    • Options
    • A. True
    • B. False
    • Discuss
    • 4. When a load is connected to a voltage divider, the total resistance of the circuit will:

    • Options
    • A. decrease
    • B. double
    • C. increase
    • D. remain the same
    • Discuss
    • 5. NMOS devices use MOSFETs to implement the full range of logic gates using the universal NAND gate.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The mimicking of an open/closed switch by a diode allows alternating current to be:

    • Options
    • A. rectified
    • B. regulated
    • C. controlled
    • D. attenuated
    • Discuss
    • 7. When the capacitance in an active high-pass filter increases, the critical frequency decreases.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The induced voltage across a stationary conductor in a stationary magnetic field ___.

    • Options
    • A. equals 0 V
    • B. is usually very large
    • C. varies with time
    • D. depends on the strength of the magnetic field
    • Discuss
    • 9. What is the dielectric constant for ceramic?

    • Options
    • A. between 6 and 8000
    • B. 5.0
    • C. between 5 and 1000
    • D. 3000
    • Discuss
    • 10. A check of all power supply voltages should be made during the ________ method of troubleshooting.

    • Options
    • A. half-split
    • B. diagnosis
    • C. repair
    • D. final test
    • Discuss


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