Quiz  /  Voltage Regulator Class 10 MCQ Questions With Answers

  • 1. 
    What would the voltmeter read

  • 1V
  • 2V
  • 3V
  • 6V

  • 2. 
    Correctly identify component A, B and C

  • A = Switch, B= Cell, C= LDR
  • A= Cell, B= Switch, C= Diode
  • A= Switch, B= Lamp, C= Diode
  • A= Switch, B= Cell, C= Diode

  • 3. 
    What does a fuse do?

  • Die
  • Makes sure the volts don't go over a certain point.
  • Has fun
  • Give out energy

  • 4. 
    Voltage and Volts are the same thing.

  • True
  • False

  • 5. 
    This is related to the force that causes electric charges to flow

  • Voltage
  • Current
  • Resistance
  • Circuit

  • 6. 
    Which of the two circuits would have the brightest bulbs?

  • A
  • B

  • 7. 
    The component used to measure voltage is?

  • Ammeter
  • Voltmeter
  • Battery
  • Cell

  • 8. 
    In which of these two circuits is the current the same at all points?

  • A
  • B

  • 9. 
    The units of voltage.

  • Amps
  • Coulombs
  • Volts
  • Joules

  • 10. 
    Which Voltmeter will give the lowest reading?

  • V1
  • V2
  • V3

  • 11. 
    What is the voltage of a cell if it uses 4.2 J of energy as it pushes 6 C of charge round a circuit?

  • 0.7 v
  • 26 V
  • 0.7 V
  • 26 v

  • 12. 
    A large lightning bolt can carry up to 120000 A and 350 C. Calculate the time for which the current flows.

  • 2.92×10 −3 s
  • 0.0092 s
  • 2.92×10−3 min⁡2.92\times10^{-3}\ \min2.92×10−3 min
  • Both A & B

  • 13. 
    Voltage is simply defined as...

  • what 'pushes' electrons
  • what 'stops' electrons
  • moving electrons
  • All of above

  • 14. 
    Brass is a _____?

  • insulator
  • conductor

  • 15. 
    What does this circuit symbol represent?

  • diode
  • light-dependent resistor (LDR)
  • lamp
  • light-emitting diode

  • 16. 
    Resistance is a measure of....

  • the energy per unit charge in a circuit
  • how hard it is for electrons to move through the circuit
  • how hard it is for electrons to move through the battery
  • the number of charge carriers in a circuit

  • 17. 
    The flow/movement of electric charges

  • Voltage
  • Resistance
  • Current
  • Circuit

  • 18. 
    Voltmeters are connected in series in a circuit.

  • True
  • False

  • 19. 
    In a parallel circuit if one of the light bulbs burns out the rest _________.

  • stop the flow of electricity
  • can still light up
  • will go out
  • of the light bulbs burn out also

  • 20. 
    What kind of circuit is this?

  • Series
  • Consecutive
  • Parallel
  • Training

  • 21. 
    Does this diagram represent a series or parallel circuit?

  • series circuit
  • parallel circuit

  • 22. 
    A current of 0.5 A flows in a circuit. Calculate the charge flowing through the circuit in one minute.

  • 0.5 C
  • 30 C
  • 120 C
  • None of these

  • 23. 
    The QUANTITY symbol for volts.

  • V
  • v
  • I
  • I

  • 24. 
    To increase the voltage of a circuit…

  • Use a bigger cell/battery
  • Connect more cells in series
  • Connect more cells in parallel
  • Use a stronger voltmeter

  • 25. 
    Electricity that flows in a closed path is called a

  • path
  • current
  • circuit
  • None of these

  • 26. 
    This is the symbol for a _____?

  • switch
  • light
  • battery
  • wires

  • 27. 
    The electrical energy used if a charge of 5 C is supplied by a 12 V cell is....

  • 2.2 A
  • 60 A
  • 2.2 J
  • 60 J

  • 28. 
    A voltmeter should be placed ........... in a circuit

  • in parallel
  • in series
  • in order
  • upside down
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