Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 109 · 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) open a phone charger (b) stop if a part gets hot (c) use small battery cells (d) fly kites in open fields
2. 2.True or false: to dry your hands first is not safe. (a) False (b) True
3. 3.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
4. 4.🔍 Which is the odd one out? (a) climb an electric pole (b) poke things in a socket (c) use a cable with cuts (d) stop if a part gets hot
5. 5.True or false: to build with an adult near is not safe. (a) True (b) False
6. 6.⚠️ 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
7. 7.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
8. 8.Which of these is safe? (a) touch a switch when wet (b) poke things in a socket (c) touch a fallen wire (d) keep drinks far away
9. 9.Which of these is safe? (a) touch a fallen wire (b) use small battery cells (c) touch a switch when wet (d) climb an electric pole
10. 10.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) a mains extension board (c) a small battery pack (d) an inverter socket
11. 11.True or false: to fly kites in open fields is safe. (a) True (b) False
12. 12.True or false: to touch a switch when wet is safe. (a) True (b) False
13. 13.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 9 V (c) 230 V (d) 12 V
14. 14.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) shout for an adult (b) wait and watch (c) pull them by the hand (d) pour water on them
15. 15.🔍 Which is the odd one out? (a) stay away from pylons (b) stop if a part gets hot (c) use mains for a project (d) dry your hands first
16. 16.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a bulb (b) a fuse or MCB (c) a long wire (d) a plug top
17. 17.🔍 Which is the odd one out? (a) touch a fallen wire (b) keep drinks far away (c) take cells out after use (d) use small battery cells
18. 18.True or false: to stay away from pylons is safe. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) keep drinks far away (b) climb an electric pole (c) stop if a part gets hot (d) build with an adult near
20. 20.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
21. 21.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
22. 22.Which of these is not safe? (a) stay away from pylons (b) build with an adult near (c) poke things in a socket (d) use small battery cells
23. 23.True or false: to throw cells in a fire is not safe. (a) False (b) True
24. 24.True or false: to build with an adult near is safe. (a) False (b) True
25. 25.True or false: to use small battery cells is safe. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) build with an adult near (b) use small battery cells (c) poke things in a socket (d) fly kites in open fields
27. 27.🔍 Which is the odd one out? (a) dry your hands first (b) build with an adult near (c) throw cells in a fire (d) take cells out after use
28. 28.🔍 Which is the odd one out? (a) fly a kite near wires (b) climb an electric pole (c) touch a switch when wet (d) use small battery cells
29. 29.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) an open circuit (b) a safe circuit (c) a short circuit (d) a parallel circuit
30. 30.🔍 Which is the odd one out? (a) touch a switch when wet (b) stay away from pylons (c) climb an electric pole (d) touch a fallen wire
31. 31.⚠️ Is it safe to dry your hands first? (a) safe (b) not safe
32. 32.⚠️ Is it safe to stay away from pylons? (a) not safe (b) safe
33. 33.True or false: to use a cable with cuts is not safe. (a) True (b) False
34. 34.True or false: to touch a fallen wire is safe. (a) False (b) True
35. 35.Which of these is not safe? (a) build with an adult near (b) climb an electric pole (c) stay away from pylons (d) use small battery cells
36. 36.Which of these is not safe? (a) keep drinks far away (b) touch a switch when wet (c) fly kites in open fields (d) dry your hands first
37. 37.True or false: to touch a fallen wire is not safe. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) use mains for a project (b) use a cable with cuts (c) climb an electric pole (d) fly kites in open fields
39. 39.True or false: to dry your hands first is safe. (a) False (b) True
40. 40.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe

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