Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 493 · 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 is the odd one out? (a) use small battery cells (b) throw cells in a fire (c) build with an adult near (d) stop if a part gets hot
2. 2.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a bulb (b) a long wire (c) a plug top (d) a fuse or MCB
3. 3.🔍 Which is the odd one out? (a) fly kites in open fields (b) build with an adult near (c) take cells out after use (d) touch a fallen wire
4. 4.True or false: to fly a kite near wires is not safe. (a) False (b) True
5. 5.True or false: to open a phone charger is safe. (a) False (b) True
6. 6.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
7. 7.🔍 Which is the odd one out? (a) stop if a part gets hot (b) take cells out after use (c) keep drinks far away (d) use mains for a project
8. 8.⚠️ 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
9. 9.Which of these is safe? (a) use a cable with cuts (b) poke things in a socket (c) open a phone charger (d) build with an adult near
10. 10.⚠️ Is it safe to throw cells in a fire? (a) not safe (b) safe
11. 11.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) a mains extension board (c) a small battery pack (d) an inverter socket
12. 12.True or false: to open a phone charger is not safe. (a) True (b) False
13. 13.Which of these is safe? (a) use small battery cells (b) touch a switch when wet (c) fly a kite near wires (d) touch a fallen wire
14. 14.🔍 Which is the odd one out? (a) use small battery cells (b) stay away from pylons (c) stop if a part gets hot (d) touch a switch when wet
15. 15.⚠️ Who should be with you when you build a circuit? (a) a younger child (b) a stranger online (c) a trusted adult (d) nobody
16. 16.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
17. 17.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 9 V (c) 12 V (d) 230 V
18. 18.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pour water on them (b) pull them by the hand (c) shout for an adult (d) wait and watch
19. 19.🔍 Which is the odd one out? (a) use a cable with cuts (b) take cells out after use (c) build with an adult near (d) use small battery cells
20. 20.True or false: to touch a fallen wire is safe. (a) True (b) False
21. 21.Which of these is safe? (a) touch a fallen wire (b) open a phone charger (c) climb an electric pole (d) dry your hands first
22. 22.Which of these is not safe? (a) build with an adult near (b) dry your hands first (c) use small battery cells (d) use a cable with cuts
23. 23.⚠️ Is it safe to fly kites in open fields? (a) not safe (b) safe
24. 24.True or false: to use mains for a project is safe. (a) False (b) True
25. 25.⚠️ Is it safe to keep drinks far away? (a) not safe (b) safe
26. 26.🔍 Which is the odd one out? (a) dry your hands first (b) stay away from pylons (c) stop if a part gets hot (d) fly a kite near wires
27. 27.Which of these is not safe? (a) open a phone charger (b) stop if a part gets hot (c) take cells out after use (d) keep drinks far away
28. 28.🔍 Which is the odd one out? (a) stop if a part gets hot (b) touch a fallen wire (c) touch a switch when wet (d) climb an electric pole
29. 29.Which of these is safe? (a) use mains for a project (b) stop if a part gets hot (c) use a cable with cuts (d) climb an electric pole
30. 30.🔍 Which is the odd one out? (a) climb an electric pole (b) take cells out after use (c) dry your hands first (d) stay away from pylons
31. 31.True or false: to dry your hands first is safe. (a) True (b) False
32. 32.Which of these is not safe? (a) touch a switch when wet (b) take cells out after use (c) stay away from pylons (d) stop if a part gets hot
33. 33.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
34. 34.True or false: to build with an adult near is not safe. (a) True (b) False
35. 35.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
36. 36.🔍 Which is the odd one out? (a) dry your hands first (b) open a phone charger (c) use small battery cells (d) fly kites in open fields
37. 37.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
38. 38.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
39. 39.True or false: to throw cells in a fire is not safe. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) touch a switch when wet (b) use mains for a project (c) build with an adult near (d) use a cable with cuts

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