Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 749 · 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.True or false: to touch a fallen wire is not safe. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) keep drinks far away (b) use a cable with cuts (c) touch a switch when wet (d) throw cells in a fire
3. 3.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
4. 4.True or false: to dry your hands first is not safe. (a) False (b) True
5. 5.⚠️ Is it safe to poke things in a socket? (a) not safe (b) safe
6. 6.Which of these is safe? (a) poke things in a socket (b) touch a fallen wire (c) climb an electric pole (d) keep drinks far away
7. 7.🔍 Which is the odd one out? (a) use small battery cells (b) stop if a part gets hot (c) fly kites in open fields (d) throw cells in a fire
8. 8.True or false: to open a phone charger is safe. (a) True (b) False
9. 9.Which of these is safe? (a) poke things in a socket (b) use a cable with cuts (c) fly a kite near wires (d) use small battery cells
10. 10.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
11. 11.True or false: to poke things in a socket is not safe. (a) True (b) False
12. 12.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
13. 13.⚠️ Who should be with you when you build a circuit? (a) a stranger online (b) nobody (c) a trusted adult (d) a younger child
14. 14.🔍 Which is the odd one out? (a) stay away from pylons (b) touch a fallen wire (c) open a phone charger (d) throw cells in a fire
15. 15.Which of these is safe? (a) poke things in a socket (b) climb an electric pole (c) touch a switch when wet (d) take cells out after use
16. 16.Which of these is not safe? (a) use a cable with cuts (b) dry your hands first (c) use small battery cells (d) build with an adult near
17. 17.⚠️ Why must we never touch switches with wet hands? (a) it is just untidy (b) water carries current (c) it spoils the paint (d) water makes it cold
18. 18.True or false: to keep drinks far away is safe. (a) True (b) False
19. 19.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
20. 20.Which of these is not safe? (a) dry your hands first (b) use small battery cells (c) poke things in a socket (d) take cells out after use
21. 21.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
22. 22.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
23. 23.True or false: to use mains for a project is not safe. (a) True (b) False
24. 24.⚠️ About how many volts do home sockets in India supply? (a) 9 V (b) 12 V (c) 230 V (d) 1.5 V
25. 25.🔍 Which is the odd one out? (a) take cells out after use (b) open a phone charger (c) touch a switch when wet (d) use mains for a project
26. 26.⚠️ 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
27. 27.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a long wire (c) a fuse or MCB (d) a bulb
28. 28.True or false: to build with an adult near is safe. (a) True (b) False
29. 29.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
30. 30.🔍 Which is the odd one out? (a) keep drinks far away (b) build with an adult near (c) use small battery cells (d) use a cable with cuts
31. 31.⚠️ Which power source should children use for electronics projects? (a) an inverter socket (b) a wall socket (c) a mains extension board (d) a small battery pack
32. 32.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) wait and watch (b) pull them by the hand (c) pour water on them (d) shout for an adult
33. 33.True or false: to dry your hands first is safe. (a) True (b) False
34. 34.⚠️ Is it safe to keep drinks far away? (a) not safe (b) safe
35. 35.Which of these is safe? (a) touch a fallen wire (b) stop if a part gets hot (c) use a cable with cuts (d) throw cells in a fire
36. 36.Which of these is safe? (a) build with an adult near (b) touch a switch when wet (c) use mains for a project (d) open a phone charger
37. 37.🔍 Which is the odd one out? (a) dry your hands first (b) use small battery cells (c) stop if a part gets hot (d) fly a kite near wires
38. 38.True or false: to take cells out after use is safe. (a) False (b) True
39. 39.True or false: to stop if a part gets hot is not safe. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) dry your hands first (b) touch a switch when wet (c) use a cable with cuts (d) open a phone charger

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