Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 842 · 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.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
2. 2.🔘 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
3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
4. 4.🔘 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
5. 5.🔘 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?
6. 6.What does a push button do? (a) stays where you flip it (b) flips up or down (c) closes when tipped over (d) works only while pressed
7. 7.What does a tilt switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) closes when tipped over
8. 8.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
9. 9.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
10. 10.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
11. 11.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
12. 12.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
13. 13.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
14. 14.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
15. 15.True or false: a reed switch closes near a magnet. (a) True (b) False
16. 16.True or false: a reed switch stays where you flip it. (a) False (b) True
17. 17.True or false: a toggle switch works only while pressed. (a) False (b) True
18. 18.True or false: a push button flips up or down. (a) False (b) True
19. 19.🔘 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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
20. 20.True or false: a tilt switch works only while pressed. (a) False (b) True
21. 21.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
22. 22.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
23. 23.True or false: a toggle switch stays where you flip it. (a) True (b) False
24. 24.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
25. 25.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
26. 26.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) springs back when let go (d) closes near a magnet
27. 27.🔘 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
28. 28.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
29. 29.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
30. 30.🔘 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
31. 31.True or false: a tilt switch closes near a magnet. (a) False (b) True
32. 32.True or false: a push button stays where you flip it. (a) False (b) True
33. 33.🔘 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 ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
34. 34.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
35. 35.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
36. 36.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
37. 37.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
38. 38.True or false: a slide switch flips up or down. (a) True (b) False
39. 39.True or false: a push button works only while pressed. (a) True (b) False
40. 40.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes

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