Mains Electricity and Electronics

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1. Circle one of the following statements that is false for a parallel circuit.

  • The current from the source equals the sum of the currents in each branch.
  • The pd. across each component is less than the total p.d. across the supply.
  • The pd. across each component is less than the total p.d. across the supply.
  • Α complete circuit is needed for current to flow.
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Other questions in this quiz

2. Circle one of the following statements that is false for a parallel circuit.

  • The current from the source equals the sum of the currents in each branch.
  • Α complete circuit is needed for current to flow.
  • The pd. across each component is less than the total p.d. across the supply.
  • The pd. across each component is less than the total p.d. across the supply.

3. What is the power of a bulb that allows a current of 1.5A to flow when there is a potential different of 8v

  • 6.5W
  • 6W
  • 12W
  • 24W

4. Circle one of the following statements that is false for a series circuit.

  • The sum of the p.d.s across each component equals the total pd. across the supply.
  • The combined resistance of resistors is less than the sum of the individual resistors.
  • The current at every point is the same.
  • Α complete circuit is needed for current to flow.

5. Circle one of the following statements that is false for a parallel circuit.

  • The pd. across each component is less than the total p.d. across the supply.
  • The current from the source equals the sum of the currents in each branch.
  • The pd. across each component is less than the total p.d. across the supply.
  • Α complete circuit is needed for current to flow.

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