Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 175 · 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 open a phone charger? (a) safe (b) not safe
2. 2.True or false: to touch a fallen wire is not safe. (a) True (b) False
3. 3.⚠️ 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
4. 4.Which of these is safe? (a) touch a fallen wire (b) stop if a part gets hot (c) touch a switch when wet (d) climb an electric pole
5. 5.Which of these is not safe? (a) keep drinks far away (b) touch a switch when wet (c) fly kites in open fields (d) stay away from pylons
6. 6.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a long wire (b) a plug top (c) a fuse or MCB (d) a bulb
7. 7.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
8. 8.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
9. 9.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) an inverter socket (c) a mains extension board (d) a small battery pack
10. 10.⚠️ About how many volts do home sockets in India supply? (a) 12 V (b) 9 V (c) 1.5 V (d) 230 V
11. 11.Which of these is safe? (a) take cells out after use (b) poke things in a socket (c) use mains for a project (d) open a phone charger
12. 12.🔍 Which is the odd one out? (a) touch a switch when wet (b) climb an electric pole (c) open a phone charger (d) stop if a part gets hot
13. 13.Which of these is safe? (a) touch a fallen wire (b) climb an electric pole (c) keep drinks far away (d) use a cable with cuts
14. 14.True or false: to climb an electric pole is not safe. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) build with an adult near (b) touch a fallen wire (c) keep drinks far away (d) take cells out after use
16. 16.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water makes it cold (c) it is just untidy (d) water carries current
17. 17.🔍 Which is the odd one out? (a) use mains for a project (b) fly a kite near wires (c) take cells out after use (d) poke things in a socket
18. 18.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
19. 19.True or false: to dry your hands first is safe. (a) True (b) False
20. 20.True or false: to open a phone charger is not safe. (a) True (b) False
21. 21.True or false: to fly a kite near wires is not safe. (a) True (b) False
22. 22.⚠️ Is it safe to keep drinks far away? (a) safe (b) not safe
23. 23.⚠️ Is it safe to build with an adult near? (a) safe (b) not safe
24. 24.⚠️ Who should be with you when you build a circuit? (a) a younger child (b) a trusted adult (c) a stranger online (d) nobody
25. 25.🔍 Which is the odd one out? (a) poke things in a socket (b) touch a fallen wire (c) touch a switch when wet (d) dry your hands first
26. 26.True or false: to take cells out after use is safe. (a) True (b) False
27. 27.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
28. 28.True or false: to climb an electric pole is safe. (a) True (b) False
29. 29.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
30. 30.⚠️ Is it safe to fly kites in open fields? (a) not safe (b) safe
31. 31.Which of these is not safe? (a) build with an adult near (b) use small battery cells (c) keep drinks far away (d) use a cable with cuts
32. 32.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
33. 33.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pour water on them (b) shout for an adult (c) wait and watch (d) pull them by the hand
34. 34.True or false: to build with an adult near is safe. (a) False (b) True
35. 35.True or false: to build with an adult near is not safe. (a) True (b) False
36. 36.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
37. 37.🔍 Which is the odd one out? (a) use small battery cells (b) take cells out after use (c) stay away from pylons (d) poke things in a socket
38. 38.Which of these is not safe? (a) dry your hands first (b) use small battery cells (c) stop if a part gets hot (d) touch a fallen wire
39. 39.True or false: to fly kites in open fields is not safe. (a) True (b) False
40. 40.⚠️ Is it safe to touch a switch when wet? (a) safe (b) not safe

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