Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 309 · 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 of these is safe? (a) open a phone charger (b) stop if a part gets hot (c) throw cells in a fire (d) poke things in a socket
2. 2.Which of these is safe? (a) open a phone charger (b) stay away from pylons (c) fly a kite near wires (d) poke things in a socket
3. 3.⚠️ 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
4. 4.True or false: to open a phone charger is not safe. (a) True (b) False
5. 5.True or false: to touch a switch when wet is safe. (a) True (b) False
6. 6.⚠️ Which power source should children use for electronics projects? (a) a small battery pack (b) a mains extension board (c) a wall socket (d) an inverter socket
7. 7.🔍 Which is the odd one out? (a) fly kites in open fields (b) stay away from pylons (c) stop if a part gets hot (d) use mains for a project
8. 8.🔍 Which is the odd one out? (a) use small battery cells (b) use a cable with cuts (c) touch a fallen wire (d) throw cells in a fire
9. 9.Which of these is not safe? (a) climb an electric pole (b) stop if a part gets hot (c) build with an adult near (d) fly kites in open fields
10. 10.True or false: to fly a kite near wires is safe. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) climb an electric pole (b) build with an adult near (c) fly a kite near wires (d) use mains for a project
12. 12.Which of these is not safe? (a) fly kites in open fields (b) use mains for a project (c) use small battery cells (d) build with an adult near
13. 13.True or false: to fly a kite near wires is not safe. (a) True (b) False
14. 14.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
15. 15.🔍 Which is the odd one out? (a) touch a switch when wet (b) touch a fallen wire (c) throw cells in a fire (d) take cells out after use
16. 16.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
17. 17.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
18. 18.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
19. 19.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
20. 20.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
21. 21.True or false: to use small battery cells is safe. (a) False (b) True
22. 22.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) an open circuit (b) a parallel circuit (c) a short circuit (d) a safe circuit
23. 23.🔍 Which is the odd one out? (a) touch a fallen wire (b) build with an adult near (c) stay away from pylons (d) take cells out after use
24. 24.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
25. 25.True or false: to keep drinks far away is safe. (a) False (b) True
26. 26.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
27. 27.Which of these is safe? (a) use a cable with cuts (b) climb an electric pole (c) use small battery cells (d) touch a switch when wet
28. 28.⚠️ About how many volts do home sockets in India supply? (a) 9 V (b) 230 V (c) 1.5 V (d) 12 V
29. 29.⚠️ Is it safe to open a phone charger? (a) not safe (b) safe
30. 30.True or false: to dry your hands first is not safe. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) climb an electric pole (b) dry your hands first (c) touch a switch when wet (d) poke things in a socket
32. 32.⚠️ Why must we never touch switches with wet hands? (a) water carries current (b) it spoils the paint (c) water makes it cold (d) it is just untidy
33. 33.True or false: to take cells out after use is safe. (a) True (b) False
34. 34.Which of these is not safe? (a) touch a fallen wire (b) stay away from pylons (c) take cells out after use (d) stop if a part gets hot
35. 35.True or false: to build with an adult near is not safe. (a) True (b) False
36. 36.True or false: to use a cable with cuts is safe. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) keep drinks far away (b) build with an adult near (c) touch a switch when wet (d) use small battery cells
38. 38.True or false: to throw cells in a fire is safe. (a) True (b) False
39. 39.⚠️ Is it safe to poke things in a socket? (a) not safe (b) safe
40. 40.Which of these is not safe? (a) build with an adult near (b) fly kites in open fields (c) fly a kite near wires (d) stay away from pylons

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