Ect001

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Ect001 - Quiz

Priority Level: High (ECE & ECT)


Questions and Answers
  • 1. 
    Which of the following measurements are commonly made using a multimeter?
    • A. 

      SWR and RF power

    • B. 

      Signal strength and noise

    • C. 

      Impedance and reactance

    • D. 

      Voltage and resistance

  • 2. 
    How many milliamperes is 1.5 amperes?
    • A. 

      1500 milliamperes

    • B. 

      15,000 milliamperes

    • C. 

      150 milliamperes

    • D. 

      15 milliamperes

  • 3. 
    Which is equal to 1,500,000 hertz?
    • A. 

      1500 kHz

    • B. 

      1500 MHz

    • C. 

      15 GHz

    • D. 

      150 kHz

  • 4. 
    Which is equal to one kilovolt?
    • A. 

      One thousand volts

    • B. 

      One million volts

    • C. 

      One hundred volts

    • D. 

      One one-thousandth of a volt

  • 5. 
    Which is equal to one microvolt?
    • A. 

      One one-millionth of a volt

    • B. 

      One million volts

    • C. 

      One thousand kilovolts

    • D. 

      One one-thousandth of a volt

  • 6. 
    Which is equal to 500 milliwatts?
    • A. 

      0.5 watts

    • B. 

      0.02 watts

    • C. 

      5 watts

    • D. 

      50 watts

  • 7. 
    Which is equal to 3000 milliamperes?
    • A. 

      3 amperes

    • B. 

      3,000,000 amperes

    • C. 

      0.3 amperes

    • D. 

      0.003 amperes

  • 8. 
    Which is equal to 3.525 MHz?
    • A. 

      3525 kHz

    • B. 

      3,525,000 kHz

    • C. 

      35.25 kHz

    • D. 

      0.003525 kHz

  • 9. 
    Which is equal to 1,000,000 picofarads?
    • A. 

      1 microfarad

    • B. 

      0.001 microfarads

    • C. 

      1000 microfarads

    • D. 

      1,000,000,000 microfarads

  • 10. 
    Which decibel value most closely represents a power increase from 5 watts to 10 watts?
    • A. 

      3 dB

    • B. 

      2 dB

    • C. 

      5 dB

    • D. 

      10 dB

  • 11. 
    Which decibel value most closely represents a power decrease from 12 watts to 3 watts?
    • A. 

      -6 dB

    • B. 

      -9 dB

    • C. 

      -3 dB

    • D. 

      -1 dB

  • 12. 
    Which decibel value represents a power increase from 20 watts to 200 watts?
    • A. 

      10 dB

    • B. 

      12 dB

    • C. 

      18 dB

    • D. 

      28 dB

  • 13. 
    Which is equal to 28400 kHz?
    • A. 

      28.400 MHz

    • B. 

      284.00 MHz

    • C. 

      2.800 MHz

    • D. 

      28.400 kHz

  • 14. 
    Which is equal to 2425 MHz?
    • A. 

      2.425 GHz

    • B. 

      0.002425 GHz

    • C. 

      24.25 GHz

    • D. 

      2425 GHz

  • 15. 
    What is the abbreviation for megahertz?
    • A. 

      MHz

    • B. 

      MH

    • C. 

      Mh

    • D. 

      Mhz

  • 16. 
    What is the formula used to calculate electrical power (P) in a DC circuit?
    • A. 

      P = I x E

    • B. 

      P = E / I

    • C. 

      P = E – I

    • D. 

      P = I + E

  • 17. 
    How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?
    • A. 

      138 watts

    • B. 

      0.7 watts

    • C. 

      23.8 watts

    • D. 

      3.8 watts

  • 18. 
    How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?
    • A. 

      30 watts

    • B. 

      4.8 watts

    • C. 

      14.5 watts

    • D. 

      0.208 watts

  • 19. 
    How much current is required to deliver 120 watts at a voltage of 12 volts DC?
    • A. 

      10 amperes

    • B. 

      0.1 amperes

    • C. 

      12 amperes

    • D. 

      132 amperes

  • 20. 
    What is impedance?
    • A. 

      The opposition to AC current flow.

    • B. 

      The inverse of resistance.

    • C. 

      The Q or Quality Factor of a component.

    • D. 

      The power handling capability of a component.

  • 21. 
    What is the abbreviation for kilohertz?
    • A. 

      KHz

    • B. 

      KhZ

    • C. 

      Khz

    • D. 

      KHZ

  • 22. 
    What formula is used to calculate current in a circuit?
    • A. 

      I = E / R

    • B. 

      I = E x R

    • C. 

      I = E + R

    • D. 

      I = E - R

  • 23. 
    What formula is used to calculate voltage in a circuit?
    • A. 

      E = I x R

    • B. 

      E = I / R

    • C. 

      E = I + R

    • D. 

      E = I - R

  • 24. 
    What formula is used to calculate resistance in a circuit?
    • A. 

      R = E / I

    • B. 

      R = E x I

    • C. 

      R = E + I

    • D. 

      R = E - I

  • 25. 
    What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
    • A. 

      30 ohms

    • B. 

      3 ohms

    • C. 

      93 ohms

    • D. 

      270 ohms

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