Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 337 · 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.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
2. 2.🔍 Which is the odd one out? (a) dry your hands first (b) throw cells in a fire (c) build with an adult near (d) stop if a part gets hot
3. 3.True or false: to stop if a part gets hot is safe. (a) False (b) True
4. 4.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
5. 5.🔍 Which is the odd one out? (a) fly kites in open fields (b) touch a fallen wire (c) stop if a part gets hot (d) dry your hands first
6. 6.🔍 Which is the odd one out? (a) touch a switch when wet (b) touch a fallen wire (c) throw cells in a fire (d) dry your hands first
7. 7.🔍 Which is the odd one out? (a) build with an adult near (b) keep drinks far away (c) use small battery cells (d) poke things in a socket
8. 8.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a long wire (c) a bulb (d) a fuse or MCB
9. 9.Which of these is safe? (a) touch a switch when wet (b) use mains for a project (c) climb an electric pole (d) stop if a part gets hot
10. 10.⚠️ Who should be with you when you build a circuit? (a) nobody (b) a stranger online (c) a younger child (d) a trusted adult
11. 11.⚠️ Is it safe to poke things in a socket? (a) not safe (b) safe
12. 12.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
13. 13.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
14. 14.True or false: to take cells out after use is not safe. (a) True (b) False
15. 15.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
16. 16.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
17. 17.🔍 Which is the odd one out? (a) build with an adult near (b) take cells out after use (c) keep drinks far away (d) use mains for a project
18. 18.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a safe circuit (b) a parallel circuit (c) a short circuit (d) an open circuit
19. 19.True or false: to fly kites in open fields is not safe. (a) True (b) False
20. 20.Which of these is safe? (a) build with an adult near (b) throw cells in a fire (c) use a cable with cuts (d) use mains for a project
21. 21.🔍 Which is the odd one out? (a) use mains for a project (b) use a cable with cuts (c) climb an electric pole (d) stay away from pylons
22. 22.Which of these is safe? (a) fly a kite near wires (b) open a phone charger (c) dry your hands first (d) touch a switch when wet
23. 23.🔍 Which is the odd one out? (a) touch a switch when wet (b) stop if a part gets hot (c) fly a kite near wires (d) open a phone charger
24. 24.🔍 Which is the odd one out? (a) take cells out after use (b) use a cable with cuts (c) keep drinks far away (d) dry your hands first
25. 25.⚠️ Which power source should children use for electronics projects? (a) a mains extension board (b) a wall socket (c) an inverter socket (d) a small battery pack
26. 26.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
27. 27.True or false: to use a cable with cuts is safe. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) throw cells in a fire (b) keep drinks far away (c) open a phone charger (d) fly a kite near wires
29. 29.🔍 Which is the odd one out? (a) keep drinks far away (b) build with an adult near (c) stay away from pylons (d) climb an electric pole
30. 30.🔍 Which is the odd one out? (a) build with an adult near (b) use small battery cells (c) stop if a part gets hot (d) fly a kite near wires
31. 31.True or false: to use mains for a project is safe. (a) False (b) True
32. 32.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water makes it cold (c) water carries current (d) it is just untidy
33. 33.Which of these is safe? (a) use mains for a project (b) touch a switch when wet (c) touch a fallen wire (d) use small battery cells
34. 34.True or false: to dry your hands first is not safe. (a) True (b) False
35. 35.⚠️ About how many volts do home sockets in India supply? (a) 12 V (b) 1.5 V (c) 230 V (d) 9 V
36. 36.True or false: to throw cells in a fire is safe. (a) False (b) True
37. 37.⚠️ 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) shout for an adult (d) pull them by the hand
38. 38.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
39. 39.True or false: to build with an adult near is safe. (a) True (b) False
40. 40.True or false: to climb an electric pole is safe. (a) True (b) False

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