Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 461 · 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.🔍 Which is the odd one out? (a) use small battery cells (b) open a phone charger (c) poke things in a socket (d) touch a switch when wet
2. 2.Which of these is safe? (a) touch a switch when wet (b) touch a fallen wire (c) fly kites in open fields (d) poke things in a socket
3. 3.🔍 Which is the odd one out? (a) build with an adult near (b) stay away from pylons (c) stop if a part gets hot (d) use mains for a project
4. 4.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
5. 5.⚠️ Which power source should children use for electronics projects? (a) a mains extension board (b) a wall socket (c) an inverter socket (d) a small battery pack
6. 6.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pour water on them (b) wait and watch (c) pull them by the hand (d) shout for an adult
7. 7.🔍 Which is the odd one out? (a) poke things in a socket (b) touch a switch when wet (c) stop if a part gets hot (d) fly a kite near wires
8. 8.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
9. 9.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
10. 10.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a fuse or MCB (c) a long wire (d) a bulb
11. 11.Which of these is not safe? (a) climb an electric pole (b) use small battery cells (c) stop if a part gets hot (d) build with an adult near
12. 12.True or false: to dry your hands first is not safe. (a) False (b) True
13. 13.Which of these is safe? (a) poke things in a socket (b) throw cells in a fire (c) keep drinks far away (d) climb an electric pole
14. 14.Which of these is not safe? (a) open a phone charger (b) stop if a part gets hot (c) use small battery cells (d) take cells out after use
15. 15.True or false: to dry your hands first is safe. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) use mains for a project (b) fly kites in open fields (c) open a phone charger (d) use a cable with cuts
17. 17.Which of these is not safe? (a) take cells out after use (b) build with an adult near (c) poke things in a socket (d) keep drinks far away
18. 18.Which of these is safe? (a) touch a switch when wet (b) take cells out after use (c) open a phone charger (d) climb an electric pole
19. 19.Which of these is not safe? (a) dry your hands first (b) fly kites in open fields (c) take cells out after use (d) use mains for a project
20. 20.🔍 Which is the odd one out? (a) poke things in a socket (b) climb an electric pole (c) touch a fallen wire (d) dry your hands first
21. 21.🔍 Which is the odd one out? (a) build with an adult near (b) keep drinks far away (c) stay away from pylons (d) touch a switch when wet
22. 22.True or false: to take cells out after use is safe. (a) True (b) False
23. 23.⚠️ About how many volts do home sockets in India supply? (a) 9 V (b) 230 V (c) 1.5 V (d) 12 V
24. 24.Which of these is safe? (a) use mains for a project (b) touch a fallen wire (c) stop if a part gets hot (d) open a phone charger
25. 25.⚠️ Is it safe to touch a fallen wire? (a) not safe (b) safe
26. 26.🔍 Which is the odd one out? (a) stay away from pylons (b) use small battery cells (c) dry your hands first (d) climb an electric pole
27. 27.Which of these is safe? (a) fly a kite near wires (b) stay away from pylons (c) climb an electric pole (d) touch a fallen wire
28. 28.True or false: to use small battery cells is not safe. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) throw cells in a fire (b) fly a kite near wires (c) open a phone charger (d) build with an adult near
30. 30.Which of these is safe? (a) dry your hands first (b) fly a kite near wires (c) use a cable with cuts (d) climb an electric pole
31. 31.True or false: to use mains for a project is not safe. (a) True (b) False
32. 32.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
33. 33.True or false: to keep drinks far away is safe. (a) True (b) False
34. 34.⚠️ 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
35. 35.Which of these is safe? (a) touch a fallen wire (b) build with an adult near (c) touch a switch when wet (d) open a phone charger
36. 36.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
37. 37.🔍 Which is the odd one out? (a) fly kites in open fields (b) use small battery cells (c) use a cable with cuts (d) stay away from pylons
38. 38.🔍 Which is the odd one out? (a) use small battery cells (b) open a phone charger (c) take cells out after use (d) stop if a part gets hot
39. 39.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) it is just untidy (c) water makes it cold (d) water carries current
40. 40.⚠️ Who should be with you when you build a circuit? (a) a trusted adult (b) a stranger online (c) nobody (d) a younger child

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