Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 181 · 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 of these is safe? (a) dry your hands first (b) poke things in a socket (c) use mains for a project (d) touch a switch when wet
2. 2.⚠️ About how many volts do home sockets in India supply? (a) 12 V (b) 9 V (c) 1.5 V (d) 230 V
3. 3.True or false: to take cells out after use is not safe. (a) False (b) True
4. 4.Which of these is not safe? (a) touch a fallen wire (b) take cells out after use (c) keep drinks far away (d) use small battery cells
5. 5.Which of these is not safe? (a) throw cells in a fire (b) dry your hands first (c) fly kites in open fields (d) use small battery cells
6. 6.🔍 Which is the odd one out? (a) climb an electric pole (b) stay away from pylons (c) touch a switch when wet (d) open a phone charger
7. 7.True or false: to poke things in a socket is safe. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) stay away from pylons (b) take cells out after use (c) climb an electric pole (d) build with an adult near
9. 9.Which of these is not safe? (a) stop if a part gets hot (b) take cells out after use (c) touch a switch when wet (d) keep drinks far away
10. 10.⚠️ 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
11. 11.True or false: to climb an electric pole is safe. (a) False (b) True
12. 12.True or false: to use small battery cells is safe. (a) True (b) False
13. 13.True or false: to take cells out after use is safe. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) take cells out after use (b) fly kites in open fields (c) keep drinks far away (d) poke things in a socket
15. 15.🔍 Which is the odd one out? (a) throw cells in a fire (b) build with an adult near (c) touch a switch when wet (d) use a cable with cuts
16. 16.True or false: to touch a switch when wet is not safe. (a) False (b) True
17. 17.Which of these is safe? (a) poke things in a socket (b) touch a switch when wet (c) open a phone charger (d) use small battery cells
18. 18.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
19. 19.True or false: to keep drinks far away is safe. (a) False (b) True
20. 20.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
21. 21.🔍 Which is the odd one out? (a) take cells out after use (b) dry your hands first (c) touch a switch when wet (d) fly kites in open fields
22. 22.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
23. 23.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
24. 24.Which of these is not safe? (a) use small battery cells (b) stay away from pylons (c) keep drinks far away (d) open a phone charger
25. 25.🔍 Which is the odd one out? (a) use mains for a project (b) poke things in a socket (c) throw cells in a fire (d) use small battery cells
26. 26.⚠️ Is it safe to touch a switch when wet? (a) safe (b) not safe
27. 27.🔍 Which is the odd one out? (a) dry your hands first (b) touch a switch when wet (c) use mains for a project (d) fly a kite near wires
28. 28.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
29. 29.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
30. 30.🔍 Which is the odd one out? (a) touch a fallen wire (b) build with an adult near (c) stay away from pylons (d) dry your hands first
31. 31.True or false: to poke things in a socket is not safe. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) use mains for a project (b) stay away from pylons (c) build with an adult near (d) stop if a part gets hot
33. 33.Which of these is safe? (a) use a cable with cuts (b) fly a kite near wires (c) throw cells in a fire (d) stop if a part gets hot
34. 34.True or false: to throw cells in a fire is not safe. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) fly a kite near wires (b) keep drinks far away (c) dry your hands first (d) use small battery cells
36. 36.True or false: to fly kites in open fields is not safe. (a) False (b) True
37. 37.True or false: to fly kites in open fields is safe. (a) True (b) False
38. 38.True or false: to build with an adult near is safe. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) fly kites in open fields (b) keep drinks far away (c) open a phone charger (d) stay away from pylons
40. 40.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a safe circuit (b) a short circuit (c) a parallel circuit (d) an open circuit

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