Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 75 · 40 questions

Remember (All for series, any for parallel): Series switches (one path): the bulb glows only if ALL are ON. Parallel switches (side-by-side paths): the bulb glows if ANY one is ON. Mixed: work out each path, then ask if there is at least one complete path.

1. 1.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
2. 2.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
3. 3.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
4. 4.True or false: a push button stays where you flip it. (a) False (b) True
5. 5.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
6. 6.What does a push button do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) closes when tipped over
7. 7.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
8. 8.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
9. 9.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
10. 10.What does a tilt switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
11. 11.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
12. 12.True or false: a slide switch closes when tipped over. (a) True (b) False
13. 13.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
14. 14.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
15. 15.True or false: a slide switch works only while pressed. (a) False (b) True
16. 16.🔘 A bulb and a cell are joined through 6 switches on 6 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
17. 17.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) slides side to side (d) flips up or down
18. 18.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) closes when tipped over
19. 19.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) works only while pressed (d) slides side to side
20. 20.True or false: a slide switch springs back when let go. (a) True (b) False
21. 21.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
22. 22.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
23. 23.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
24. 24.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
25. 25.True or false: a push button works only while pressed. (a) True (b) False
26. 26.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
27. 27.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
28. 28.True or false: a slide switch slides side to side. (a) False (b) True
29. 29.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
30. 30.True or false: a push button slides side to side. (a) True (b) False
31. 31.True or false: a toggle switch stays where you flip it. (a) False (b) True
32. 32.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
33. 33.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
34. 34.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
35. 35.True or false: a reed switch closes near a magnet. (a) True (b) False
36. 36.True or false: a tilt switch springs back when let go. (a) True (b) False
37. 37.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
38. 38.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
39. 39.🔘 A bulb and a cell are joined through 4 switches on 4 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
40. 40.True or false: a tilt switch closes near a magnet. (a) False (b) True

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