Electronics Worksheet: Electrical Safety

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

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids