Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 539 · 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) touch a fallen wire (b) stop if a part gets hot (c) dry your hands first (d) build with an adult near
2. 2.True or false: to throw cells in a fire is safe. (a) True (b) False
3. 3.⚠️ About how many volts do home sockets in India supply? (a) 230 V (b) 12 V (c) 9 V (d) 1.5 V
4. 4.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) an inverter socket (c) a small battery pack (d) a mains extension board
5. 5.True or false: to use small battery cells is safe. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) build with an adult near (b) keep drinks far away (c) poke things in a socket (d) stop if a part gets hot
7. 7.⚠️ Why must we never touch switches with wet hands? (a) it spoils the paint (b) water carries current (c) it is just untidy (d) water makes it cold
8. 8.Which of these is safe? (a) use mains for a project (b) stop if a part gets hot (c) throw cells in a fire (d) poke things in a socket
9. 9.⚠️ Is it safe to stay away from pylons? (a) not safe (b) safe
10. 10.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) wait and watch (b) shout for an adult (c) pour water on them (d) pull them by the hand
11. 11.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
12. 12.Which of these is not safe? (a) stay away from pylons (b) poke things in a socket (c) fly kites in open fields (d) use small battery cells
13. 13.⚠️ Who should be with you when you build a circuit? (a) nobody (b) a trusted adult (c) a younger child (d) a stranger online
14. 14.Which of these is not safe? (a) climb an electric pole (b) stop if a part gets hot (c) use small battery cells (d) keep drinks far away
15. 15.🔍 Which is the odd one out? (a) use a cable with cuts (b) use small battery cells (c) use mains for a project (d) touch a switch when wet
16. 16.True or false: to poke things in a socket is safe. (a) False (b) True
17. 17.⚠️ Is it safe to fly a kite near wires? (a) not safe (b) safe
18. 18.⚠️ Is it safe to take cells out after use? (a) not safe (b) safe
19. 19.⚠️ Is it safe to open a phone charger? (a) safe (b) not safe
20. 20.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
21. 21.⚠️ Is it safe to throw cells in a fire? (a) safe (b) not safe
22. 22.🔍 Which is the odd one out? (a) use a cable with cuts (b) poke things in a socket (c) build with an adult near (d) touch a switch when wet
23. 23.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
24. 24.Which of these is not safe? (a) fly kites in open fields (b) build with an adult near (c) take cells out after use (d) use a cable with cuts
25. 25.🔍 Which is the odd one out? (a) keep drinks far away (b) use a cable with cuts (c) take cells out after use (d) fly kites in open fields
26. 26.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a plug top (b) a long wire (c) a bulb (d) a fuse or MCB
27. 27.True or false: to fly kites in open fields is not safe. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) keep drinks far away (b) touch a switch when wet (c) dry your hands first (d) stop if a part gets hot
29. 29.True or false: to stay away from pylons is safe. (a) True (b) False
30. 30.True or false: to poke things in a socket is not safe. (a) True (b) False
31. 31.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a parallel circuit (b) a safe circuit (c) a short circuit (d) an open circuit
32. 32.🔍 Which is the odd one out? (a) build with an adult near (b) keep drinks far away (c) fly kites in open fields (d) throw cells in a fire
33. 33.Which of these is safe? (a) throw cells in a fire (b) climb an electric pole (c) stay away from pylons (d) touch a fallen wire
34. 34.True or false: to keep drinks far away is safe. (a) True (b) False
35. 35.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
36. 36.Which of these is not safe? (a) stop if a part gets hot (b) fly kites in open fields (c) touch a switch when wet (d) keep drinks far away
37. 37.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
38. 38.🔍 Which is the odd one out? (a) throw cells in a fire (b) use a cable with cuts (c) take cells out after use (d) touch a fallen wire
39. 39.Which of these is not safe? (a) take cells out after use (b) dry your hands first (c) use small battery cells (d) throw cells in a fire
40. 40.Which of these is not safe? (a) fly a kite near wires (b) take cells out after use (c) keep drinks far away (d) build with an adult near

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