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Comparing series and parallel circuits

Quiz by Oak National Academy: KS3 Science (2)

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6 questions
Show answers
  • Q1
    Which of the following statements about the ammeter in the circuit shown is correct?
    Question Image
    The ammeter is measuring the current through the resistor.
    The ammeter causes the lamp to go out.
    The ammeter is measuring the current through the lamp.
    The ammeter causes the lamp to light brightly.
    30s
  • Q2
    Which of the following statements about the ammeter in the circuit shown is correct?
    Question Image
    The ammeter is measuring the current through the cell, resistor and lamp.
    The ammeter should only have two connections.
    The ammeter is measuring the current through the cell.
    The ammeter is measuring the current through the resistor and the lamp.
    30s
  • Q3
    Which of the following statements about the current in the branches of a parallel circuit is correct?
    Question Image
    The current in the 8 \Omega branch is the same as in the 4\Omega branch.
    The current in the 8 \Omega branch is higher than in the 4\Omega branch.
    The current in the 8 \Omega branch is lower than in the 4 \Omega branch.
    30s
  • Q4
    What will happen to the current through a parallel circuit branch if one 6 \Omega resistor in it is replaced with two 3 \Omega lamps in series?
    The current through the branch will increase.
    The current through the branch will remain the same.
    The current through the branch will decrease.
    30s
  • Q5
    What will happen to the current through the cell in the following circuit if another lamp is added in parallel, as shown?
    Question Image
    The current will increase.
    The current will decrease.
    The current will remain the same.
    30s
  • Q6
    Which of the following changes occur if branches with components on them are added to a parallel circuit?
    It will increase the resistance only.
    It will increase the current only.
    It will increase the voltage, resistance and current.
    It will increase the voltage only.
    30s

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