Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 482 · 40 questions

Remember (Low, dry, with an adult): Never use mains sockets (about 230 V) for projects; never open chargers or poke into sockets. Water carries current: dry hands, no drinks near circuits, no switches when wet. Use small battery cells with an adult; stop if a part gets hot; keep away from fallen wires, poles and kites near power lines.

1. 1.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a parallel circuit (b) a safe circuit (c) a short circuit (d) an open circuit
2. 2.True or false: to touch a fallen wire is not safe. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) use small battery cells (b) open a phone charger (c) keep drinks far away (d) stop if a part gets hot
4. 4.🔍 Which is the odd one out? (a) throw cells in a fire (b) fly kites in open fields (c) dry your hands first (d) build with an adult near
5. 5.🔍 Which is the odd one out? (a) use a cable with cuts (b) stay away from pylons (c) take cells out after use (d) dry your hands first
6. 6.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
7. 7.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a fuse or MCB (c) a bulb (d) a long wire
8. 8.⚠️ Is it safe to fly a kite near wires? (a) safe (b) not safe
9. 9.Which of these is safe? (a) use small battery cells (b) poke things in a socket (c) touch a switch when wet (d) open a phone charger
10. 10.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
11. 11.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pour water on them (b) pull them by the hand (c) shout for an adult (d) wait and watch
12. 12.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
13. 13.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
14. 14.⚠️ Is it safe to build with an adult near? (a) safe (b) not safe
15. 15.True or false: to keep drinks far away is safe. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) poke things in a socket (b) use a cable with cuts (c) fly a kite near wires (d) stay away from pylons
17. 17.⚠️ Which power source should children use for electronics projects? (a) a small battery pack (b) an inverter socket (c) a wall socket (d) a mains extension board
18. 18.🔍 Which is the odd one out? (a) use small battery cells (b) keep drinks far away (c) touch a switch when wet (d) dry your hands first
19. 19.Which of these is safe? (a) open a phone charger (b) touch a fallen wire (c) dry your hands first (d) climb an electric pole
20. 20.⚠️ Is it safe to fly kites in open fields? (a) not safe (b) safe
21. 21.Which of these is safe? (a) fly kites in open fields (b) touch a fallen wire (c) open a phone charger (d) climb an electric pole
22. 22.True or false: to touch a switch when wet is safe. (a) False (b) True
23. 23.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
24. 24.⚠️ Is it safe to touch a fallen wire? (a) not safe (b) safe
25. 25.True or false: to stay away from pylons is not safe. (a) True (b) False
26. 26.Which of these is not safe? (a) dry your hands first (b) build with an adult near (c) take cells out after use (d) touch a fallen wire
27. 27.🔍 Which is the odd one out? (a) open a phone charger (b) throw cells in a fire (c) use mains for a project (d) fly kites in open fields
28. 28.🔍 Which is the odd one out? (a) open a phone charger (b) climb an electric pole (c) build with an adult near (d) use mains for a project
29. 29.True or false: to fly kites in open fields is safe. (a) True (b) False
30. 30.⚠️ Is it safe to keep drinks far away? (a) safe (b) not safe
31. 31.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
32. 32.🔍 Which is the odd one out? (a) stop if a part gets hot (b) poke things in a socket (c) use small battery cells (d) build with an adult near
33. 33.⚠️ Why must we never touch switches with wet hands? (a) water makes it cold (b) water carries current (c) it is just untidy (d) it spoils the paint
34. 34.Which of these is safe? (a) open a phone charger (b) take cells out after use (c) touch a switch when wet (d) use mains for a project
35. 35.🔍 Which is the odd one out? (a) build with an adult near (b) touch a fallen wire (c) keep drinks far away (d) fly kites in open fields
36. 36.Which of these is not safe? (a) dry your hands first (b) build with an adult near (c) take cells out after use (d) open a phone charger
37. 37.True or false: to use mains for a project is safe. (a) False (b) True
38. 38.Which of these is not safe? (a) keep drinks far away (b) take cells out after use (c) poke things in a socket (d) use small battery cells
39. 39.True or false: to touch a fallen wire is safe. (a) True (b) False
40. 40.⚠️ Is it safe to dry your hands first? (a) safe (b) not safe

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