Electricity — Advanced

Grade 7 Science — Electricity — Advanced: 25 practice questions with instant scoring and explanations.

1. Ohm's law relates:
2. The mathematical expression of Ohm's law is:
3. In a series circuit, the current:
4. In a parallel circuit, the voltage:
5. The total resistance in a series circuit:
6. The total resistance in a parallel circuit:
7. A fuse in household wiring is used to:
8. Earthing (grounding) in household wiring is primarily for:
9. Household wiring typically uses:
10. The unit of electrical resistance is:
11. Current is defined as:
12. Voltage is the:
13. A conductor is a material that:
14. The SI unit of current is:
15. When resistors are connected in series, the total voltage drop:
16. A circuit with low resistance will have:
17. In household electrical safety, the earthing pin is:
18. An electrical circuit requires:
19. The power consumed in a circuit is given by:
20. A circuit breaker differs from a fuse in that it:
21. Household appliances are connected in:
22. Why are household appliances connected in parallel?
23. The effective resistance of a parallel circuit is:
24. When a fuse 'blows', it:
25. Electrical safety includes: