Grade 12 Electricity & circuits worksheet

What is on the worksheet

1. A constant current of 10 A flows for 106 s. How much charge passes in C?

2. Three ideal resistors of 12 Ω, 38 Ω and 25 Ω are in series. Find total resistance in Ω.

3. An ideal ohmic resistor of 63 Ω carries 1 A. Find the voltage across it in V.

4. Three ideal resistors of 22 Ω, 47 Ω and 4 Ω are in series. Find total resistance in Ω.

5. An ideal ohmic resistor of 15 Ω carries 10 A. Find the voltage across it in V.

6. Three ideal resistors of 65 Ω, 28 Ω and 49 Ω are in series. Find total resistance in Ω.

7. An ideal ohmic resistor of 75 Ω carries 3 A. Find the voltage across it in V.

8. Resistors of 14 Ω and 10 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.

9. Resistors of 44 Ω and 21 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.

10. Resistors of 20 Ω and 15 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.

11. Three ideal resistors of 90 Ω, 4 Ω and 80 Ω are in series. Find total resistance in Ω.

12. Three ideal resistors of 63 Ω, 59 Ω and 45 Ω are in series. Find total resistance in Ω.

13. An ideal ohmic resistor of 42 Ω carries 3 A. Find the voltage across it in V.

14. An ideal ohmic resistor of 79 Ω carries 8 A. Find the voltage across it in V.

15. A constant current of 14 A flows for 36 s. How much charge passes in C?

16. Resistors of 23 Ω and 28 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.

17. Three ideal resistors of 31 Ω, 52 Ω and 61 Ω are in series. Find total resistance in Ω.

18. Three ideal resistors of 15 Ω, 62 Ω and 27 Ω are in series. Find total resistance in Ω.

19. Resistors of 24 Ω and 16 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.

20. Resistors of 2 Ω and 20 Ω are connected in parallel. Find the equivalent resistance in Ω as an exact fraction or integer.