Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 645 · 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) touch a switch when wet (c) use a cable with cuts (d) climb an electric pole
2. 2.True or false: to use a cable with cuts is not safe. (a) True (b) False
3. 3.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
4. 4.🔍 Which is the odd one out? (a) climb an electric pole (b) use mains for a project (c) fly a kite near wires (d) build with an adult near
5. 5.Which of these is not safe? (a) fly kites in open fields (b) build with an adult near (c) touch a switch when wet (d) keep drinks far away
6. 6.🔍 Which is the odd one out? (a) dry your hands first (b) take cells out after use (c) fly kites in open fields (d) touch a fallen wire
7. 7.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) a short circuit (b) an open circuit (c) a safe circuit (d) a parallel circuit
8. 8.⚠️ Why must we never touch switches with wet hands? (a) it is just untidy (b) it spoils the paint (c) water carries current (d) water makes it cold
9. 9.⚠️ Who should be with you when you build a circuit? (a) nobody (b) a younger child (c) a stranger online (d) a trusted adult
10. 10.🔍 Which is the odd one out? (a) keep drinks far away (b) throw cells in a fire (c) stop if a part gets hot (d) fly kites in open fields
11. 11.🔍 Which is the odd one out? (a) climb an electric pole (b) touch a fallen wire (c) poke things in a socket (d) use small battery cells
12. 12.Which of these is not safe? (a) fly kites in open fields (b) climb an electric pole (c) stay away from pylons (d) use small battery cells
13. 13.⚠️ About how many volts do home sockets in India supply? (a) 9 V (b) 12 V (c) 1.5 V (d) 230 V
14. 14.⚠️ Is it safe to fly a kite near wires? (a) not safe (b) safe
15. 15.⚠️ Which power source should children use for electronics projects? (a) an inverter socket (b) a wall socket (c) a mains extension board (d) a small battery pack
16. 16.🔍 Which is the odd one out? (a) build with an adult near (b) stop if a part gets hot (c) climb an electric pole (d) dry your hands first
17. 17.⚠️ Is it safe to throw cells in a fire? (a) safe (b) not safe
18. 18.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a bulb (b) a fuse or MCB (c) a plug top (d) a long wire
19. 19.True or false: to throw cells in a fire is not safe. (a) True (b) False
20. 20.True or false: to take cells out after use is safe. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) take cells out after use (b) open a phone charger (c) touch a switch when wet (d) poke things in a socket
22. 22.True or false: to fly kites in open fields is not safe. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) throw cells in a fire (b) open a phone charger (c) stay away from pylons (d) poke things in a socket
24. 24.Which of these is safe? (a) touch a switch when wet (b) use small battery cells (c) use mains for a project (d) open a phone charger
25. 25.🔍 Which is the odd one out? (a) touch a switch when wet (b) dry your hands first (c) use a cable with cuts (d) touch a fallen wire
26. 26.⚠️ Is it safe to climb an electric pole? (a) not safe (b) safe
27. 27.Which of these is not safe? (a) use small battery cells (b) stop if a part gets hot (c) fly kites in open fields (d) open a phone charger
28. 28.True or false: to build with an adult near is not safe. (a) True (b) False
29. 29.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
30. 30.Which of these is not safe? (a) take cells out after use (b) keep drinks far away (c) dry your hands first (d) throw cells in a fire
31. 31.⚠️ Is it safe to touch a fallen wire? (a) not safe (b) safe
32. 32.True or false: to fly a kite near wires is not safe. (a) False (b) True
33. 33.Which of these is safe? (a) touch a fallen wire (b) poke things in a socket (c) take cells out after use (d) open a phone charger
34. 34.True or false: to fly kites in open fields is safe. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) use small battery cells (b) dry your hands first (c) build with an adult near (d) use mains for a project
36. 36.True or false: to use mains for a project is not safe. (a) True (b) False
37. 37.Which of these is safe? (a) throw cells in a fire (b) touch a switch when wet (c) stop if a part gets hot (d) fly a kite near wires
38. 38.True or false: to open a phone charger is not safe. (a) False (b) True
39. 39.⚠️ Is it safe to touch a switch when wet? (a) not safe (b) safe
40. 40.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe

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