Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 769 · 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) fly kites in open fields (c) use a cable with cuts (d) stop if a part gets hot
2. 2.⚠️ Why must we never touch switches with wet hands? (a) water carries current (b) water makes it cold (c) it spoils the paint (d) it is just untidy
3. 3.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
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 short circuit (c) a parallel circuit (d) a safe circuit
5. 5.⚠️ Which power source should children use for electronics projects? (a) a wall socket (b) an inverter socket (c) a mains extension board (d) a small battery pack
6. 6.Which of these is safe? (a) use mains for a project (b) use a cable with cuts (c) fly kites in open fields (d) open a phone charger
7. 7.True or false: to fly kites in open fields is not safe. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) use a cable with cuts (b) throw cells in a fire (c) touch a switch when wet (d) build with an adult near
9. 9.True or false: to throw cells in a fire is not safe. (a) True (b) False
10. 10.Which of these is not safe? (a) stop if a part gets hot (b) build with an adult near (c) take cells out after use (d) throw cells in a fire
11. 11.⚠️ Is it safe to touch a switch when wet? (a) not safe (b) safe
12. 12.⚠️ 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
13. 13.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) pour water on them (b) shout for an adult (c) wait and watch (d) pull them by the hand
14. 14.⚠️ Is it safe to fly a kite near wires? (a) safe (b) not safe
15. 15.True or false: to open a phone charger is safe. (a) True (b) False
16. 16.True or false: to use small battery cells is safe. (a) True (b) False
17. 17.Which of these is not safe? (a) keep drinks far away (b) stay away from pylons (c) climb an electric pole (d) dry your hands first
18. 18.Which of these is not safe? (a) poke things in a socket (b) stop if a part gets hot (c) keep drinks far away (d) dry your hands first
19. 19.🔍 Which is the odd one out? (a) use a cable with cuts (b) touch a switch when wet (c) open a phone charger (d) keep drinks far away
20. 20.⚠️ About how many volts do home sockets in India supply? (a) 12 V (b) 9 V (c) 230 V (d) 1.5 V
21. 21.True or false: to stay away from pylons is not safe. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) stop if a part gets hot (b) stay away from pylons (c) fly a kite near wires (d) fly kites in open fields
23. 23.🔍 Which is the odd one out? (a) touch a switch when wet (b) fly a kite near wires (c) stay away from pylons (d) touch a fallen wire
24. 24.🔍 Which is the odd one out? (a) build with an adult near (b) stop if a part gets hot (c) poke things in a socket (d) stay away from pylons
25. 25.Which of these is not safe? (a) keep drinks far away (b) build with an adult near (c) use small battery cells (d) use mains for a project
26. 26.🔍 Which is the odd one out? (a) dry your hands first (b) take cells out after use (c) stay away from pylons (d) touch a switch when wet
27. 27.🔍 Which is the odd one out? (a) take cells out after use (b) stop if a part gets hot (c) use mains for a project (d) fly kites in open fields
28. 28.⚠️ Is it safe to build with an adult near? (a) not safe (b) safe
29. 29.⚠️ Is it safe to use a cable with cuts? (a) not safe (b) safe
30. 30.True or false: to use a cable with cuts is safe. (a) True (b) False
31. 31.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
32. 32.True or false: to fly a kite near wires is not safe. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) open a phone charger (b) fly kites in open fields (c) keep drinks far away (d) use small battery cells
34. 34.True or false: to poke things in a socket is safe. (a) False (b) True
35. 35.Which of these is safe? (a) touch a fallen wire (b) use mains for a project (c) fly a kite near wires (d) stop if a part gets hot
36. 36.⚠️ Is it safe to use small battery cells? (a) not safe (b) safe
37. 37.Which of these is safe? (a) touch a switch when wet (b) build with an adult near (c) poke things in a socket (d) use a cable with cuts
38. 38.⚠️ Is it safe to touch a fallen wire? (a) safe (b) not safe
39. 39.Which of these is not safe? (a) fly kites in open fields (b) take cells out after use (c) use a cable with cuts (d) dry your hands first
40. 40.True or false: to take cells out after use is not safe. (a) False (b) True

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