Quiz: Resistance To Electric Current

26 Questions | Attempts: 840

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Quiz: Resistance To Electric Current - Quiz

Resistance is defined as the opposition to current flow in an electrical circuit. Play this exciting quiz hat covers topics from resistance to electric current to gauge your knowledge. The quiz contains various questions ranging from easy, medium, to hard level that will clarify your concepts about the topic and provide you with valuable information that would be of immense benefit if you sit for an exam in the near future. All the best!


Questions and Answers
  • 1. 
    In which unit is the potential difference measured?
    • A. 

      Ampere

    • B. 

      Ohm

    • C. 

      Volt

    • D. 

      Watt

  • 2. 
    Which circuit contains a fuse?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 3. 
    Which of these is a variable resistor ?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 4. 
    Which circuit should be used to determine the resistance of the resistor R? 
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 5. 
    Which copper wire would have the smallest resistance?
    • A. 

      A long, thick wire

    • B. 

      A long, thin wire

    • C. 

      A short, thick wire

    • D. 

      A short, thin wire

  • 6. 
    Which of these is a buzzer or bell?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 7. 
    The reading on the ammeter in the circuit is 1.0 A.A second ammeter is connected in the circuit. It also reads 1.0 A.At which labelled point is it connected?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 8. 
    The diagram shows a circuit containing a battery, a lamp, a switch and another component X. The switch is initially closed and the lamp is lit. The switch is now opened and the lamp remains lit for several seconds before slowly going out. What is the component X? 
    • A. 

      A capacitor

    • B. 

      A light-dependent resistor

    • C. 

      A thermistor

    • D. 

      A variable resistor

  • 9. 
    Which of these is a fixed resistor ?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 10. 
    Which labelled component in the circuit shown controls the brightness of the lamp X?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 11. 
    The diagram shows a circuit containing two ammeters and three resistors.Which of the ammeters will show the current in the resistor 2?
    • A. 

      Ammeter X only

    • B. 

      Ammeter Y only

    • C. 

      Both ammeter X and ammeter Y

    • D. 

      Neither ammeter X nor ammeter Y

  • 12. 
    Which component can store energy and can be used in time-delay circuits?
    • A. 

      A capacitor

    • B. 

      A potentiometer

    • C. 

      A resistor

    • D. 

      A thermistor

  • 13. 
    A circuit contains 2 resistors connected in parallel to a battery.Which of the following statements about the currents at P, Q and R is true?
    • A. 

      The current at P is the greatest.

    • B. 

      The current at Q is the greatest.

    • C. 

      The current at R is the greatest.

    • D. 

      The current is the same at points P, Q and R.

  • 14. 
    The diagrams shows a torch containing two cells, a switch and a lamp.
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 15. 
    A student carries out an experiment to investigate the resistance of a resistor R. She takes a series of readings of potential difference (p.d.) and current, and plots a graph of her results.Which circuit should she use?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 16. 
    A student makes four circuits.In which circuit are both lamps protected by the fuse?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 17. 
    The electric circuit shown in Fig. 9.1 contains a battery, two resistors, a switch and another component.
    • A. 

      Charge

    • B. 

      Current

    • C. 

      Potential difference

    • D. 

      Power

  • 18. 
    What flows in a circuit in order to create a current? Tick one box.
    • A. 

      Charge

    • B. 

      Potential difference

    • C. 

      Power

    • D. 

      Resistance

  • 19. 
    Using the values from Fig. 9.1, calculate the combined resistance of the two resistors.
    • A. 

      22

    • B. 

      24

    • C. 

      28

    • D. 

      30

  • 20. 
    Using the values from Fig. 9.1, calculate the current in the circuit, stating the unit in your answer.
    • A. 

      0.2 

    • B. 

      0.8

    • C. 

      0.5

    • D. 

      1.2

  • 21. 
    Which one do you like?
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 22. 
    When the switch is open, what is the potential difference across the 16 ohm resistor?
    • A. 

      12 V

    • B. 

      8.0 V

    • C. 

      6.0 V

    • D. 

      0 V

  • 23. 
    State the relationship between the currents I1, I2 and I3.
    • A. 

      I1 = I2 + I3

    • B. 

      I2 = I3 + I1

    • C. 

      I3 = I1 + I2

    • D. 

      I = I1 + I2 + I3

  • 24. 
    State the relationship between the currents I1 and I4.
    • A. 

      I1 = I4

    • B. 

      I1 > I4

    • C. 

      I1 < I4

    • D. 

      I1 = I2 + I3 + I4

  • 25. 
    The ammeter reads 0.80 A. Assume it has zero resistance. Calculate the potential difference between X and Y.
    • A. 

      2.4 V

    • B. 

      3.4 V

    • C. 

      4.8 V

    • D. 

      5.2 V

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