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Home ‣ Electrical Engineering ‣ Three-Phase Systems in Power Applications See What Others Are Saying!
  • Question

  • The most common type of ac motor is the


  • Options
  • A. single-phase induction motor
  • B. two-phase induction motor
  • C. three-phase induction motor
  • D. two-phase squirrel-cage motor

  • Correct Answer
  • three-phase induction motor 

    • More questions

    • 1. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is

    • Options
    • A. 0 Hz
    • B. 12 kHz
    • C. 6 kHz
    • D. 18 kHz
      • Discuss
    • 3. The mutual inductance when k = 0.65, L1 = 2 µH, and L2 = 5 µH is

    • Options
    • A. 2 mH
    • B. 2 µH
    • C. 4 µH
    • D. 8 µH
      • Discuss
    • 4. An ammeter is an electrical instrument used to measure

    • Options
    • A. current
    • B. voltage
    • C. resistance
    • D. none of the above
      • Discuss
    • 5. A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor

    • Options
    • A. is 9,600 Ω
    • B. is 960 Ω
    • C. is 1.2 kΩ
    • D. cannot be determined
      • Discuss
    • 6. In a certain low-pass filter, fc = 3.5 kHz. Its passband is

    • Options
    • A. 0 Hz to 3.5 kHz
    • B. 0 Hz
    • C. 3.5 kHz
    • D. 7 kHz
      • Discuss
    • 7. A 90 Ω resistor, a coil with 30 Ω of reactance, and a capacitor with 50 Ω of reactance are in series across a 12 V ac source. The current through the resistor is

    • Options
    • A. 9 mA
    • B. 90 mA
    • C. 13 mA
    • D. 130 mA
      • Discuss
    • 8. When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage

    • Options
    • A. increases
    • B. decreases
    • C. remains constant
    • D. reaches zero
      • Discuss
    • 9. A red, red, orange, gold resistor has a nominal value of

    • Options
    • A. 22,000 Ω
    • B. 2,200 Ω
    • C. 22 Ω
    • D. 2.2 Ω
      • Discuss
    • 10. Second-order determinants are evaluated by subtracting the signed cross-products.

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

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