Electronics Quiz

Are you an electronics whizz? Test your knowledge with this short electronics quiz.


  1. 1 What colours would you expect to see on a 5ohm resistor?

    1. Brown, Yellow, Red
    2. Green, Black, Gold
    3. Blue, Red, Gold
    Correct!
    Wrong!

    The answers is Green, Black, Gold

    The Green value is 5

    Black has a value of 0

    Gold the multiplier is 0.1

    this is 5ohms.

  2. 2 Which of the Symbols below represent a battery?

    1. sym1.gif
      A
    2. sym2.gif
      B
    3. sym3.gif
      C
    Correct!
    Wrong!
  3. 3 If the current in a circuit equals 0 Amps - which is correct?

    1. Resistance is too low
    2. The voltage is too high
    3. The circuit is open
    4. The transformers are not charged
    Correct!
    Wrong!

    Yes - it is most likely that the circuit is open

  4. 4 A capacitor is charged when one of its plates has more electrons than the other plate?

    1. True
    2. False
    Correct!
    Wrong!
  5. 5 What is the unit used to measure capacitance?

    1. Ohms
    2. Hertz
    3. Farad
    Correct!
    Wrong!
  6. 6 A resistor does the following?

    1. Stores charge in a circuit
    2. It reduces the current and voltage within the circuit
    3. It only allows the current to flow in one direction.
    Correct!
    Wrong!
  7. 7 What component is the picture below?

    1. A Transducer
    2. A Flux Capacitor
    3. A Transformer
    4. A Diode
    Correct!
    Wrong!

    A Transformer

    A transformer is an electrical device which, by the principles of electromagnetic induction, transfers electrical energy from one electric circuit to another, without changing the frequency. The energy transfer usually takes place with a change of voltage and current. Transformers either increase or decrease AC voltage.

    http://www.galco.com/comp/prod/trnsfmrs.htm                                 

  8. 8 Which of the following is a passive component?

    1. A diode
    2. A resistor
    3. A transisitor
    Correct!
    Wrong!
  9. 9 Which IS a term relating to transistors

    1. GDP
    2. PGP
    3. PQR
    4. PNP
    Correct!
    Wrong!
  10. 10 To Increase the value of resistance we connect them in -------- ?

    1. Series
    2. Parallel
    3. In a circle
    Correct!
    Wrong!

Electronics Quiz

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