Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 947 · 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) build with an adult near (b) fly a kite near wires (c) take cells out after use (d) use small battery cells
2. 2.🔍 Which is the odd one out? (a) use a cable with cuts (b) throw cells in a fire (c) stop if a part gets hot (d) touch a switch when wet
3. 3.🔍 Which is the odd one out? (a) build with an adult near (b) poke things in a socket (c) fly kites in open fields (d) stop if a part gets hot
4. 4.True or false: to take cells out after use is safe. (a) True (b) False
5. 5.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
6. 6.Which of these is not safe? (a) dry your hands first (b) use small battery cells (c) take cells out after use (d) use a cable with cuts
7. 7.🔍 Which is the odd one out? (a) throw cells in a fire (b) use mains for a project (c) climb an electric pole (d) take cells out after use
8. 8.Which of these is safe? (a) keep drinks far away (b) touch a switch when wet (c) use a cable with cuts (d) throw cells in a fire
9. 9.Which of these is safe? (a) use a cable with cuts (b) throw cells in a fire (c) use small battery cells (d) poke things in a socket
10. 10.True or false: to stay away from pylons is not safe. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) open a phone charger (b) touch a switch when wet (c) poke things in a socket (d) stay away from pylons
12. 12.True or false: to throw cells in a fire is safe. (a) False (b) True
13. 13.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) a mains extension board (c) an inverter socket (d) a small battery pack
14. 14.🔍 Which is the odd one out? (a) use mains for a project (b) build with an adult near (c) throw cells in a fire (d) touch a fallen wire
15. 15.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
16. 16.True or false: to poke things in a socket is safe. (a) True (b) False
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.Which of these is safe? (a) use mains for a project (b) use a cable with cuts (c) poke things in a socket (d) take cells out after use
19. 19.Which of these is not safe? (a) stay away from pylons (b) poke things in a socket (c) stop if a part gets hot (d) fly kites in open fields
20. 20.Which of these is safe? (a) poke things in a socket (b) climb an electric pole (c) use mains for a project (d) dry your hands first
21. 21.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pull them by the hand (b) pour water on them (c) wait and watch (d) shout for an adult
22. 22.🔍 Which is the odd one out? (a) use small battery cells (b) use a cable with cuts (c) touch a fallen wire (d) climb an electric pole
23. 23.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 12 V (c) 230 V (d) 9 V
24. 24.⚠️ Is it safe to touch a switch when wet? (a) not safe (b) safe
25. 25.True or false: to use small battery cells is not safe. (a) False (b) True
26. 26.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a long wire (b) a bulb (c) a plug top (d) a fuse or MCB
27. 27.Which of these is not safe? (a) fly kites in open fields (b) build with an adult near (c) throw cells in a fire (d) stop if a part gets hot
28. 28.⚠️ Is it safe to build with an adult near? (a) safe (b) not safe
29. 29.⚠️ Who should be with you when you build a circuit? (a) a younger child (b) nobody (c) a stranger online (d) a trusted adult
30. 30.⚠️ 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
31. 31.🔍 Which is the odd one out? (a) open a phone charger (b) use a cable with cuts (c) fly kites in open fields (d) touch a fallen wire
32. 32.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
33. 33.🔍 Which is the odd one out? (a) stop if a part gets hot (b) use mains for a project (c) stay away from pylons (d) keep drinks far away
34. 34.🔍 Which is the odd one out? (a) take cells out after use (b) keep drinks far away (c) touch a switch when wet (d) stop if a part gets hot
35. 35.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
36. 36.True or false: to dry your hands first is safe. (a) False (b) True
37. 37.True or false: to use mains for a project is not safe. (a) True (b) False
38. 38.Which of these is not safe? (a) open a phone charger (b) dry your hands first (c) build with an adult near (d) use small battery cells
39. 39.⚠️ Is it safe to open a phone charger? (a) not safe (b) safe
40. 40.True or false: to touch a fallen wire is not safe. (a) False (b) True

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