Create a free account now and get 3 full lessons, completely free. Get my 3 free lessons

UK
Practise online insteadThe answer key prints on page 2.

Ohm's law

Year 11 maths · Fieldbook Learning

Name ______________________ Date __________

V = I × R.

  1. A 12 Ω resistor is connected to 60 V. What current flows, in amperes?
  2. A current of 1 A flows through a 13 Ω resistor. What is the voltage across it, in volts?
  3. 48 V across a resistor drives a current of 4 A. What is its resistance, in ohms?
  4. A current of 4 A flows through a 2 Ω resistor. What is the voltage across it, in volts?
  5. A 13 Ω resistor is connected to 65 V. What current flows, in amperes?
  6. A current of 1 A flows through a 16 Ω resistor. What is the voltage across it, in volts?
  7. A 11 Ω resistor is connected to 66 V. What current flows, in amperes?
  8. A 15 Ω resistor is connected to 30 V. What current flows, in amperes?
  9. A current of 3 A flows through a 12 Ω resistor. What is the voltage across it, in volts?
  10. 18 V across a resistor drives a current of 1 A. What is its resistance, in ohms?
  11. A current of 2 A flows through a 15 Ω resistor. What is the voltage across it, in volts?
  12. A current of 4 A flows through a 3 Ω resistor. What is the voltage across it, in volts?
  13. A current of 5 A flows through a 12 Ω resistor. What is the voltage across it, in volts?
  14. A current of 5 A flows through a 5 Ω resistor. What is the voltage across it, in volts?
  15. A current of 4 A flows through a 14 Ω resistor. What is the voltage across it, in volts?
  16. A current of 2 A flows through a 2 Ω resistor. What is the voltage across it, in volts?
  17. A current of 3 A flows through a 8 Ω resistor. What is the voltage across it, in volts?
  18. 15 V across a resistor drives a current of 1 A. What is its resistance, in ohms?
  19. 8 V across a resistor drives a current of 4 A. What is its resistance, in ohms?
  20. A current of 5 A flows through a 20 Ω resistor. What is the voltage across it, in volts?
More free practice: fieldbooklearning.com/uk/practice/year-11/ohm-s-law/

Play it as a quiz game

16 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
Download CSV

Answer key: Ohm's law

  1. 5 A
  2. 13 V
  3. 12 Ω
  4. 8 V
  5. 5 A
  6. 16 V
  7. 6 A
  8. 2 A
  9. 36 V
  10. 18 Ω
  11. 30 V
  12. 12 V
  13. 60 V
  14. 25 V
  15. 56 V
  16. 4 V
  17. 24 V
  18. 15 Ω
  19. 2 Ω
  20. 100 V