Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 532 · 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.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a fuse or MCB (b) a plug top (c) a bulb (d) a long wire
2. 2.🔍 Which is the odd one out? (a) dry your hands first (b) throw cells in a fire (c) keep drinks far away (d) use small battery cells
3. 3.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 12 V (c) 230 V (d) 9 V
4. 4.⚠️ 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 safe circuit (d) a short circuit
5. 5.True or false: to use a cable with cuts is not safe. (a) False (b) True
6. 6.True or false: to fly kites in open fields is not safe. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) touch a switch when wet (b) use mains for a project (c) stop if a part gets hot (d) poke things in a socket
8. 8.Which of these is safe? (a) fly a kite near wires (b) touch a fallen wire (c) build with an adult near (d) use a cable with cuts
9. 9.Which of these is safe? (a) throw cells in a fire (b) poke things in a socket (c) use mains for a project (d) fly kites in open fields
10. 10.⚠️ Is it safe to stop if a part gets hot? (a) safe (b) not safe
11. 11.⚠️ Who should be with you when you build a circuit? (a) a stranger online (b) a younger child (c) nobody (d) a trusted adult
12. 12.⚠️ Is it safe to fly a kite near wires? (a) safe (b) not safe
13. 13.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
14. 14.🔍 Which is the odd one out? (a) use a cable with cuts (b) climb an electric pole (c) throw cells in a fire (d) stay away from pylons
15. 15.🔍 Which is the odd one out? (a) dry your hands first (b) build with an adult near (c) fly kites in open fields (d) climb an electric pole
16. 16.Which of these is safe? (a) use mains for a project (b) poke things in a socket (c) keep drinks far away (d) touch a switch when wet
17. 17.True or false: to touch a switch when wet is not safe. (a) False (b) True
18. 18.⚠️ Is it safe to fly kites in open fields? (a) not safe (b) safe
19. 19.Which of these is safe? (a) fly a kite near wires (b) touch a fallen wire (c) use a cable with cuts (d) take cells out after use
20. 20.⚠️ Is it safe to keep drinks far away? (a) safe (b) not safe
21. 21.True or false: to fly a kite near wires is safe. (a) False (b) True
22. 22.Which of these is safe? (a) use a cable with cuts (b) fly a kite near wires (c) use small battery cells (d) throw cells in a fire
23. 23.⚠️ Why must we never touch switches with wet hands? (a) it is just untidy (b) it spoils the paint (c) water makes it cold (d) water carries current
24. 24.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
25. 25.True or false: to climb an electric pole is safe. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) open a phone charger (b) touch a fallen wire (c) poke things in a socket (d) dry your hands first
27. 27.True or false: to keep drinks far away is not safe. (a) False (b) True
28. 28.⚠️ Is it safe to build with an adult near? (a) safe (b) not safe
29. 29.🔍 Which is the odd one out? (a) fly a kite near wires (b) build with an adult near (c) touch a fallen wire (d) touch a switch when wet
30. 30.Which of these is not safe? (a) build with an adult near (b) stop if a part gets hot (c) use small battery cells (d) poke things in a socket
31. 31.True or false: to touch a fallen wire is safe. (a) False (b) True
32. 32.⚠️ 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
33. 33.True or false: to use small battery cells is safe. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) take cells out after use (b) stop if a part gets hot (c) stay away from pylons (d) fly a kite near wires
35. 35.Which of these is not safe? (a) keep drinks far away (b) open a phone charger (c) stop if a part gets hot (d) build with an adult near
36. 36.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
37. 37.True or false: to touch a switch when wet is safe. (a) True (b) False
38. 38.True or false: to stop if a part gets hot is not safe. (a) True (b) False
39. 39.Which of these is not safe? (a) dry your hands first (b) build with an adult near (c) climb an electric pole (d) take cells out after use
40. 40.True or false: to open a phone charger is safe. (a) False (b) True

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