Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 287 · 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) stay away from pylons (b) dry your hands first (c) take cells out after use (d) poke things in a socket
2. 2.⚠️ Which power source should children use for electronics projects? (a) an inverter socket (b) a small battery pack (c) a mains extension board (d) a wall socket
3. 3.🔍 Which is the odd one out? (a) fly kites in open fields (b) dry your hands first (c) fly a kite near wires (d) keep drinks far away
4. 4.🔍 Which is the odd one out? (a) take cells out after use (b) keep drinks far away (c) use a cable with cuts (d) build with an adult near
5. 5.Which of these is safe? (a) poke things in a socket (b) fly a kite near wires (c) touch a fallen wire (d) stay away from pylons
6. 6.🔍 Which is the odd one out? (a) dry your hands first (b) use small battery cells (c) stop if a part gets hot (d) throw cells in a fire
7. 7.🔍 Which is the odd one out? (a) throw cells in a fire (b) use a cable with cuts (c) dry your hands first (d) open a phone charger
8. 8.Which of these is not safe? (a) use small battery cells (b) build with an adult near (c) keep drinks far away (d) use mains for a project
9. 9.⚠️ Is it safe to climb an electric pole? (a) not safe (b) safe
10. 10.Which of these is safe? (a) climb an electric pole (b) dry your hands first (c) poke things in a socket (d) use a cable with cuts
11. 11.⚠️ Is it safe to throw cells in a fire? (a) safe (b) not safe
12. 12.🔍 Which is the odd one out? (a) build with an adult near (b) poke things in a socket (c) use a cable with cuts (d) use mains for a project
13. 13.⚠️ 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
14. 14.True or false: to take cells out after use is not safe. (a) False (b) True
15. 15.True or false: to open a phone charger is not safe. (a) True (b) False
16. 16.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 230 V (c) 9 V (d) 12 V
17. 17.Which of these is safe? (a) fly kites in open fields (b) throw cells in a fire (c) touch a switch when wet (d) climb an electric pole
18. 18.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a bulb (c) a long wire (d) a fuse or MCB
19. 19.True or false: to use a cable with cuts is not safe. (a) False (b) True
20. 20.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
21. 21.Which of these is safe? (a) take cells out after use (b) climb an electric pole (c) use mains for a project (d) throw cells in a fire
22. 22.True or false: to use small battery cells is safe. (a) True (b) False
23. 23.Which of these is not safe? (a) dry your hands first (b) use small battery cells (c) keep drinks far away (d) climb an electric pole
24. 24.🔍 Which is the odd one out? (a) use small battery cells (b) fly a kite near wires (c) touch a fallen wire (d) throw cells in a fire
25. 25.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
26. 26.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
27. 27.🔍 Which is the odd one out? (a) fly a kite near wires (b) poke things in a socket (c) touch a fallen wire (d) stay away from pylons
28. 28.Which of these is safe? (a) poke things in a socket (b) open a phone charger (c) use mains for a project (d) use small battery cells
29. 29.🔍 Which is the odd one out? (a) use mains for a project (b) build with an adult near (c) fly kites in open fields (d) use small battery cells
30. 30.True or false: to fly a kite near wires is not safe. (a) False (b) True
31. 31.Which of these is not safe? (a) dry your hands first (b) stay away from pylons (c) use a cable with cuts (d) use small battery cells
32. 32.True or false: to touch a switch when wet is safe. (a) False (b) True
33. 33.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
34. 34.🔍 Which is the odd one out? (a) touch a fallen wire (b) poke things in a socket (c) fly kites in open fields (d) fly a kite near wires
35. 35.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
36. 36.🔍 Which is the odd one out? (a) stay away from pylons (b) dry your hands first (c) keep drinks far away (d) touch a fallen wire
37. 37.Which of these is not safe? (a) keep drinks far away (b) use small battery cells (c) stay away from pylons (d) throw cells in a fire
38. 38.⚠️ 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
39. 39.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
40. 40.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe

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