Grade 9 Electricity & circuits worksheet

What is on the worksheet

1. A constant current of 7 A flows for 65 s. How much charge passes in C?

2. A constant current of 9 A flows for 59 s. How much charge passes in C?

3. A steady DC device operates at 5 V and 10 A. Find power in W.

4. Three ideal resistors of 66 Ω, 51 Ω and 28 Ω are in series. Find total resistance in Ω.

5. An ideal ohmic resistor of 59 Ω carries 3 A. Find the voltage across it in V.

6. A constant current of 12 A flows for 57 s. How much charge passes in C?

7. An ideal ohmic resistor of 29 Ω carries 4 A. Find the voltage across it in V.

8. A steady DC device operates at 60 V and 15 A. Find power in W.

9. An ideal ohmic resistor of 37 Ω carries 2 A. Find the voltage across it in V.

10. A constant current of 10 A flows for 88 s. How much charge passes in C?

11. Three ideal resistors of 69 Ω, 20 Ω and 63 Ω are in series. Find total resistance in Ω.

12. A steady DC device operates at 38 V and 9 A. Find power in W.

13. Three ideal resistors of 49 Ω, 50 Ω and 48 Ω are in series. Find total resistance in Ω.

14. An ideal ohmic resistor of 11 Ω carries 8 A. Find the voltage across it in V.

15. A constant current of 2 A flows for 107 s. How much charge passes in C?

16. A constant current of 9 A flows for 119 s. How much charge passes in C?

17. An ideal ohmic resistor of 69 Ω carries 3 A. Find the voltage across it in V.

18. Three ideal resistors of 18 Ω, 44 Ω and 26 Ω are in series. Find total resistance in Ω.

19. Three ideal resistors of 85 Ω, 77 Ω and 36 Ω are in series. Find total resistance in Ω.

20. Three ideal resistors of 16 Ω, 50 Ω and 7 Ω are in series. Find total resistance in Ω.