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  • Question
  • What is the power in the given circuit? 32 W 80 W 500 W 16 kW

    What is the power in the given circuit?


  • Options
  • A. 32 W
  • B. 80 W
  • C. 500 W
  • D. 16 kW

  • Correct Answer
  • 32 W 


  • More questions

    • 1. An essential requirement of a feedback oscillator is a phase shift around the feedback loop of 360°.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. In an n-type JFET, current will flow when a positive voltage is applied to the drain and a negative voltage is applied to the source.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Kirchhoff's current law for parallel circuits states that the:

    • Options
    • A. sum of all branch voltages equals zero
    • B. total circuit resistance is less than the smallest branch resistor
    • C. sum of currents into a junction is equal to the difference of all the branch currents
    • D. sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction
    • Discuss
    • 4. Which of the following statements is true?

    • Options
    • A. The voltage to which a capacitor is charged can change instantaneously.
    • B. The current in a capacitive circuit takes time to change.
    • C. A fully charged capacitor appears as a short to dc current.
    • D. An uncharged capacitor appears as a short to an instantaneous change in current.
    • Discuss
    • 5. What is electromagnetism?

    • Options
    • A. the magnetic field generated around a conductor when a current passes through it
    • B. the magnetic field generated in a conductor by an external voltage
    • C. the voltage caused by a magnetic field in a conductor
    • D. the current generated by an external magnetic field
    • Discuss
    • 6. What are the properties that determine the inductance of a coil?

    • Options
    • A. Length of wire, number of turns, type of core material, length of core
    • B. Number of turns, type of wire, length of core, and cross-sectional area of core
    • C. Type of core material, number of turns, cross-sectional area of core, and length of core
    • D. Type of core material, type of wire, number of turns, and cross-sectional area of core
    • Discuss
    • 7. Base is the same as radix.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. 

      What is the reactive power in the given circuit?


    • Options
    • A. 0 VAR
    • B. 691 µVAR
    • C. 44.23 mVAR
    • D. 1.45 kVAR
    • Discuss
    • 9. If five equal resistors are connected in series with a 20 V source, and a current of 400 µA is measured, each resistor equals ___.

    • Options
    • A. 10 kΩ
    • B. 50 kΩ
    • C. 125 Ω
    • D. 20 Ω
    • Discuss
    • 10. The polarity on the side of the resistor where current enters is ______. The polarity on the side of the resistor where current exits is ___________.

    • Options
    • A. positive, positive
    • B. negative, negative
    • C. negative, positive
    • D. positive, negative
    • Discuss


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