Grade 8 Electricity & circuits worksheet

What is on the worksheet

1. A 12 V potential difference is across a 6 Ω resistor. Find current in A.

2. A constant current of 9 A flows for 113 s. How much charge passes in C?

3. A constant current of 1 A flows for 15 s. How much charge passes in C?

4. A constant current of 13 A flows for 66 s. How much charge passes in C?

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

6. Waves and electric circuits: which term fits this description? A wave whose oscillations are perpendicular to its propagation direction.

   1. Resistance
   2. Transverse wave
   3. Sound wave
   4. Parallel circuit

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

8. Waves and electric circuits: which term fits this description? A complete conducting path that permits a steady current when driven by a source.

   1. Sound wave
   2. Transverse wave
   3. Resonance
   4. Closed circuit

9. A constant current of 15 A flows for 45 s. How much charge passes in C?

10. A constant current of 15 A flows for 102 s. How much charge passes in C?

11. A constant current of 14 A flows for 9 s. How much charge passes in C?

12. A constant current of 13 A flows for 21 s. How much charge passes in C?

13. An ideal ohmic resistor of 25 Ω carries 6 A. Find the voltage across it in V.

14. A constant current of 11 A flows for 88 s. How much charge passes in C?

15. A constant current of 12 A flows for 45 s. How much charge passes in C?

16. An ideal ohmic resistor of 12 Ω carries 4 A. Find the voltage across it in V.

17. An ideal ohmic resistor of 73 Ω carries 6 A. Find the voltage across it in V.

18. A constant current of 3 A flows for 92 s. How much charge passes in C?

19. A constant current of 13 A flows for 91 s. How much charge passes in C?

20. A constant current of 4 A flows for 80 s. How much charge passes in C?