Electronics Worksheet: Electrical Safety

Electronics lesson 2: Electrical safety · Set 448 · 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) keep drinks far away (b) throw cells in a fire (c) use small battery cells (d) build with an adult near
2. 2.🔍 Which is the odd one out? (a) fly kites in open fields (b) use small battery cells (c) dry your hands first (d) touch a fallen wire
3. 3.🔍 Which is the odd one out? (a) stay away from pylons (b) poke things in a socket (c) open a phone charger (d) fly a kite near wires
4. 4.⚠️ Is it safe to open a phone charger? (a) not safe (b) safe
5. 5.⚠️ About how many volts do home sockets in India supply? (a) 230 V (b) 12 V (c) 9 V (d) 1.5 V
6. 6.⚠️ Is it safe to use a cable with cuts? (a) safe (b) not safe
7. 7.⚠️ What protects home wiring by melting or tripping when too much current flows? (a) a bulb (b) a plug top (c) a long wire (d) a fuse or MCB
8. 8.🔍 Which is the odd one out? (a) fly a kite near wires (b) take cells out after use (c) stop if a part gets hot (d) dry your hands first
9. 9.⚠️ Someone is getting a shock and is still touching a wire. What should you do? (a) wait and watch (b) pull them by the hand (c) shout for an adult (d) pour water on them
10. 10.True or false: to use small battery cells is safe. (a) False (b) True
11. 11.Which of these is safe? (a) fly kites in open fields (b) touch a fallen wire (c) touch a switch when wet (d) use a cable with cuts
12. 12.True or false: to poke things in a socket is safe. (a) False (b) True
13. 13.⚠️ Is it safe to touch a switch when wet? (a) safe (b) not safe
14. 14.⚠️ Is it safe to stay away from pylons? (a) safe (b) not safe
15. 15.⚠️ Is it safe to take cells out after use? (a) safe (b) not safe
16. 16.⚠️ Why must we never touch switches with wet hands? (a) water makes it cold (b) it spoils the paint (c) water carries current (d) it is just untidy
17. 17.🔍 Which is the odd one out? (a) stop if a part gets hot (b) build with an adult near (c) take cells out after use (d) use mains for a project
18. 18.🔍 Which is the odd one out? (a) climb an electric pole (b) use small battery cells (c) keep drinks far away (d) stop if a part gets hot
19. 19.⚠️ A cell gets hot when its + and − ends are joined by a bare wire. What is this called? (a) an open circuit (b) a safe circuit (c) a short circuit (d) a parallel circuit
20. 20.True or false: to take cells out after use is safe. (a) False (b) True
21. 21.⚠️ Is it safe to fly kites in open fields? (a) safe (b) not safe
22. 22.Which of these is safe? (a) open a phone charger (b) stop if a part gets hot (c) fly a kite near wires (d) throw cells in a fire
23. 23.⚠️ Is it safe to use mains for a project? (a) not safe (b) safe
24. 24.True or false: to use mains for a project is not safe. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) open a phone charger (b) use a cable with cuts (c) take cells out after use (d) use mains for a project
26. 26.⚠️ Which power source should children use for electronics projects? (a) a small battery pack (b) an inverter socket (c) a wall socket (d) a mains extension board
27. 27.⚠️ Is it safe to keep drinks far away? (a) safe (b) not safe
28. 28.🔍 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) use small battery cells
29. 29.⚠️ Is it safe to dry your hands first? (a) not safe (b) safe
30. 30.True or false: to keep drinks far away is not safe. (a) False (b) True
31. 31.True or false: to use small battery cells is not safe. (a) True (b) False
32. 32.True or false: to take cells out after use is not safe. (a) True (b) False
33. 33.⚠️ Is it safe to fly a kite near wires? (a) not safe (b) safe
34. 34.⚠️ Is it safe to stop if a part gets hot? (a) safe (b) not safe
35. 35.True or false: to build with an adult near is not safe. (a) True (b) False
36. 36.⚠️ Is it safe to use small battery cells? (a) not safe (b) safe
37. 37.🔍 Which is the odd one out? (a) fly a kite near wires (b) throw cells in a fire (c) fly kites in open fields (d) poke things in a socket
38. 38.⚠️ Is it safe to throw cells in a fire? (a) safe (b) not safe
39. 39.True or false: to throw cells in a fire is safe. (a) True (b) False
40. 40.Which of these is safe? (a) open a phone charger (b) poke things in a socket (c) use small battery cells (d) use mains for a project

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