Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 901 · 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.⚠️ Why must we never touch switches with wet hands? (a) it is just untidy (b) water makes it cold (c) it spoils the paint (d) water carries current
2. 2.🔍 Which is the odd one out? (a) stop if a part gets hot (b) dry your hands first (c) fly kites in open fields (d) touch a fallen wire
3. 3.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
4. 4.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a fuse or MCB (b) a long wire (c) a bulb (d) a plug top
5. 5.True or false: to dry your hands first is not safe. (a) True (b) False
6. 6.True or false: to take cells out after use is safe. (a) True (b) False
7. 7.⚠️ About how many volts do home sockets in India supply? (a) 1.5 V (b) 12 V (c) 230 V (d) 9 V
8. 8.True or false: to stay away from pylons is safe. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) keep drinks far away (b) throw cells in a fire (c) use mains for a project (d) touch a switch when wet
10. 10.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) shout for an adult (b) wait and watch (c) pour water on them (d) pull them by the hand
11. 11.Which of these is not safe? (a) keep drinks far away (b) touch a fallen wire (c) fly kites in open fields (d) dry your hands first
12. 12.⚠️ Is it safe to use small battery cells? (a) safe (b) not safe
13. 13.Which of these is safe? (a) build with an adult near (b) open a phone charger (c) touch a switch when wet (d) climb an electric pole
14. 14.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
15. 15.🔍 Which is the odd one out? (a) use a cable with cuts (b) use small battery cells (c) fly kites in open fields (d) build with an adult near
16. 16.True or false: to touch a switch when wet is not safe. (a) False (b) True
17. 17.⚠️ Is it safe to climb an electric pole? (a) safe (b) not safe
18. 18.⚠️ 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 parallel circuit (d) a safe circuit
19. 19.🔍 Which is the odd one out? (a) fly kites in open fields (b) stop if a part gets hot (c) build with an adult near (d) climb an electric pole
20. 20.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
21. 21.🔍 Which is the odd one out? (a) keep drinks far away (b) take cells out after use (c) poke things in a socket (d) dry your hands first
22. 22.🔍 Which is the odd one out? (a) climb an electric pole (b) open a phone charger (c) stop if a part gets hot (d) fly a kite near wires
23. 23.Which of these is safe? (a) use a cable with cuts (b) use mains for a project (c) touch a fallen wire (d) use small battery cells
24. 24.🔍 Which is the odd one out? (a) use mains for a project (b) climb an electric pole (c) dry your hands first (d) touch a fallen wire
25. 25.⚠️ Is it safe to poke things in a socket? (a) safe (b) not safe
26. 26.⚠️ Who should be with you when you build a circuit? (a) a younger child (b) a stranger online (c) nobody (d) a trusted adult
27. 27.⚠️ Which power source should children use for electronics projects? (a) an inverter socket (b) a wall socket (c) a small battery pack (d) a mains extension board
28. 28.True or false: to throw cells in a fire is safe. (a) False (b) True
29. 29.True or false: to keep drinks far away is not safe. (a) False (b) True
30. 30.Which of these is not safe? (a) use a cable with cuts (b) stay away from pylons (c) dry your hands first (d) stop if a part gets hot
31. 31.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
32. 32.🔍 Which is the odd one out? (a) poke things in a socket (b) stay away from pylons (c) fly a kite near wires (d) open a phone charger
33. 33.⚠️ Is it safe to use mains for a project? (a) safe (b) not safe
34. 34.Which of these is not safe? (a) stay away from pylons (b) use small battery cells (c) use mains for a project (d) take cells out after use
35. 35.⚠️ Is it safe to stop if a part gets hot? (a) not safe (b) safe
36. 36.🔍 Which is the odd one out? (a) touch a switch when wet (b) use small battery cells (c) dry your hands first (d) take cells out after use
37. 37.True or false: to take cells out after use is not safe. (a) True (b) False
38. 38.True or false: to open a phone charger is not safe. (a) True (b) False
39. 39.⚠️ Is it safe to dry your hands first? (a) safe (b) not safe
40. 40.Which of these is not safe? (a) climb an electric pole (b) use small battery cells (c) take cells out after use (d) keep drinks far away

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