Online Quiz - By Ecea

44 Questions | Total Attempts: 196

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Online Quiz - By Ecea

Make your brain work on a perfect blend of electronics and general knowledge


Questions and Answers
  • 1. 
    A(n) ________ is the smallest component of every element.
  • 2. 
     The relation of the voltage across an inductor to its current is described as
    • A. 

      A. leading the current by 90 degrees

    • B. 

      B. lagging the current by 90 degrees

    • C. 

      C. leading the current by 180 degrees

    • D. 

      D. in phase with the current

  • 3. 
    Materials with permeabilities slightly less than that of free space are referred to as
    • A. 

      A. Diamagnetic

    • B. 

      B. Ferromagnetic

    • C. 

      C. Non-magnetic

    • D. 

      D. Paramagnetic

  • 4. 
    Inserting a soft iron core into a coil has what effect on the inductance of the coil?
    • A. 

      A. Increase inductance

    • B. 

      B. Decrease inductance

    • C. 

      C. Does not affect the inductance

    • D. 

      D. None of these

  • 5. 
    The natural magnet refers to
    • A. 

      A. Steel

    • B. 

      B. Soft iron c. Magnesia b. Soft iron c. Magnesia b. Soft iron

    • C. 

      C. Magnesia

    • D. 

      D. Lodestone

  • 6. 
    A battery with a rating of 9 volts has an internal resistance of 20 ohms, what is the expected resistance of the bulb that is connected across the battery to attain a maximum power transfer?
    • A. 

      A. 20 ohms

    • B. 

      B. 10 ohms

    • C. 

      C. 5 ohms

    • D. 

      D. 2 ohms

  • 7. 
    The reciprocal of capacitance is called________(
    • A. 

      A. Elastance

    • B. 

      B. Permitivitty

    • C. 

      C. Permeability

    • D. 

      D. Conductance

  • 8. 
     Which of the following cannot be included in a loop of Kirchhoff’s Voltage law
    • A. 

      A. Current sources

    • B. 

      B. Voltage sources

    • C. 

      C. Resistance

    • D. 

      D. Reactance

  • 9. 
    Find the phase angle between the voltage across through the circuit when XC is 25 ohms, R is 100 ohms and XL is 50 ohms.
    • A. 

      A. 76 degrees with voltage leading the current

    • B. 

      B. 14 degrees with the voltage lagging the current

    • C. 

      C. 14 degrees with the voltage leading the current

    • D. 

      D. 76 degrees with the voltage lagging the current

  • 10. 
    The all-pass filter is sometimes called a _____
    • A. 

      A. Tow Tomas filter

    • B. 

      B. Delay equalizer

    • C. 

      C. KHN filter

    • D. 

      D. State-variable filter

  • 11. 
    A series connected circuit consists of 3 loads and consume a total power of 50 Watts. It was reconfigured such that 2 are in parallel and the other load is in series with the combination. What is the expected power to be consumed then?
    • A. 

      A. 50 Watts

    • B. 

      B. 25 Watts

    • C. 

      C 75 watts

    • D. 

      D. 45 watts

  • 12. 
    Highest operating frequency can be expected in case of
    • A. 

      A. bipolar transistor

    • B. 

      B. JFET

    • C. 

      C. MOSFET

    • D. 

      D. IGFET

  • 13. 
    If the gain of an amplifier without feedback is 10 and with negative feedback is 8, then the feedback fraction is
    • A. 

      A. 0.025

    • B. 

      B. 0.9

    • C. 

      C. 0.8

    • D. 

      D. 0.225

  • 14. 
    ______is used for counting of binary information.
    • A. 

      A. clamper circuit

    • B. 

      B. Schmitt trigger

    • C. 

      C. bistable vibrator

    • D. 

      D. monostable vibrator

  • 15. 
    . A 33-kohm resistor is connected in series with a parallel combination made up of 56-kohm resistor and a 7.8-kohm resistor. What is the total combined resistance of the three resistors?
    • A. 

      A. 39067 ohms

    • B. 

      B. 49069 ohms

    • C. 

      C. 63769 ohms

    • D. 

      D. 95000 ohms

  • 16. 
    The kind of oscillator found in an electronic wristwatch is the
    • A. 

      A. Armstrong

    • B. 

      B. Clapp

    • C. 

      C. Colpitts

    • D. 

      D. Quartz crystal

  • 17. 
    A 220-volt, 60Hz is driving a series RL circuit. Determine the current if R = 100 ohms and 20 mH inductance
    • A. 

      A. 2.2A(lagging)

    • B. 

      B. 2.0 A(lagging)

    • C. 

      C. 2.2 A(leading)

    • D. 

      D. 2.0 A(leading)

  • 18. 
    Capactors are a type of battery?
    • A. 

      Yes it can be used as a Battery

    • B. 

      No it only holds a small charge

    • C. 

      It is nothing like a Battery

  • 19. 
    What is the standard operating level of professional audio equipment?
    • A. 

      +10 dBV

    • B. 

      +4 dBu

    • C. 

      -10 dBV

    • D. 

      -20 dBSPL

  • 20. 
    Convert 1110101 binary to octal.
    • A. 

      125

    • B. 

      79

    • C. 

      165

  • 21. 
    Convert 451 decimal to octal.
    • A. 

      443

    • B. 

      703

    • C. 

      112

  • 22. 
    What is the legendary Argentianen Football player Maradona's last name
    • A. 

      Wayne

    • B. 

      Diego

    • C. 

      Carlos

    • D. 

      Pablo

    • E. 

      Chicken

  • 23. 
    Which of the following is not a UNO Agency?
    • A. 

      International Labour Organization

    • B. 

      International Monetary Fund

    • C. 

      Food and Agricultural Organization

    • D. 

      International Postal Union

  • 24. 
    The size of screwdriver is determined by the shank
    • A. 

      Length.

    • B. 

      Weight.

    • C. 

      Temper.

    • D. 

      Width.

  • 25. 
    Which Latin name of a constellation is not paired with an English version?
    • A. 

      Aries - ram

    • B. 

      Cancer - crab

    • C. 

      Draco - dragon

    • D. 

      Sagittarius - swan

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