Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 284 · 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 fly kites in open fields? (a) safe (b) not safe
2. 2.⚠️ Is it safe to climb an electric pole? (a) not safe (b) safe
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.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
5. 5.⚠️ Is it safe to fly a kite near wires? (a) not safe (b) safe
6. 6.True or false: to fly kites in open fields is safe. (a) False (b) True
7. 7.Which of these is safe? (a) build with an adult near (b) use mains for a project (c) poke things in a socket (d) throw cells in a fire
8. 8.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
9. 9.⚠️ 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
10. 10.🔍 Which is the odd one out? (a) stay away from pylons (b) use small battery cells (c) use a cable with cuts (d) take cells out after use
11. 11.True or false: to poke things in a socket is not safe. (a) False (b) True
12. 12.True or false: to build with an adult near is not safe. (a) False (b) True
13. 13.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
14. 14.⚠️ Is it safe to touch a switch when wet? (a) safe (b) not safe
15. 15.🔍 Which is the odd one out? (a) use small battery cells (b) climb an electric pole (c) throw cells in a fire (d) touch a fallen wire
16. 16.🔍 Which is the odd one out? (a) fly a kite near wires (b) stop if a part gets hot (c) use a cable with cuts (d) use mains for a project
17. 17.Which of these is not safe? (a) use small battery cells (b) stop if a part gets hot (c) keep drinks far away (d) use a cable with cuts
18. 18.Which of these is safe? (a) open a phone charger (b) use a cable with cuts (c) keep drinks far away (d) throw cells in a fire
19. 19.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) an open circuit (b) a short circuit (c) a parallel circuit (d) a safe circuit
20. 20.Which of these is not safe? (a) use small battery cells (b) take cells out after use (c) touch a switch when wet (d) stay away from pylons
21. 21.⚠️ Why must we never touch switches with wet hands? (a) water makes it cold (b) it spoils the paint (c) water carries current (d) it is just untidy
22. 22.True or false: to climb an electric pole is not safe. (a) True (b) False
23. 23.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
24. 24.🔍 Which is the odd one out? (a) build with an adult near (b) use small battery cells (c) take cells out after use (d) throw cells in a fire
25. 25.🔍 Which is the odd one out? (a) take cells out after use (b) touch a fallen wire (c) touch a switch when wet (d) throw cells in a fire
26. 26.🔍 Which is the odd one out? (a) keep drinks far away (b) use small battery cells (c) fly kites in open fields (d) poke things in a socket
27. 27.True or false: to keep drinks far away is not safe. (a) True (b) False
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.🔍 Which is the odd one out? (a) build with an adult near (b) dry your hands first (c) keep drinks far away (d) open a phone charger
31. 31.Which of these is safe? (a) fly a kite near wires (b) open a phone charger (c) use small battery cells (d) use mains for a project
32. 32.🔍 Which is the odd one out? (a) fly kites in open fields (b) use a cable with cuts (c) poke things in a socket (d) open a phone charger
33. 33.Which of these is not safe? (a) build with an adult near (b) fly kites in open fields (c) stay away from pylons (d) fly a kite near wires
34. 34.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a bulb (c) a long wire (d) a fuse or MCB
35. 35.True or false: to use small battery cells is safe. (a) True (b) False
36. 36.Which of these is not safe? (a) fly kites in open fields (b) dry your hands first (c) use mains for a project (d) use small battery cells
37. 37.⚠️ Is it safe to use small battery cells? (a) not safe (b) safe
38. 38.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
39. 39.True or false: to take cells out after use is not safe. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) use small battery cells (b) stay away from pylons (c) take cells out after use (d) climb an electric pole

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