Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 806 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
2. 2.What does a reed switch do? (a) works only while pressed (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
3. 3.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
4. 4.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
5. 5.True or false: a tilt switch springs back when let go. (a) True (b) False
6. 6.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
7. 7.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
8. 8.🔘 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
9. 9.🔘 A bulb and a cell are joined through 2 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.🔘 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?
11. 11.True or false: a toggle switch flips up or down. (a) True (b) False
12. 12.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
13. 13.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a push button (d) a slide switch
14. 14.True or false: a toggle switch slides side to side. (a) False (b) True
15. 15.🔘 A bulb and a cell are joined through 3 switches on 3 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?
16. 16.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
17. 17.What does a slide switch do? (a) stays where you flip it (b) closes when tipped over (c) flips up or down (d) slides side to side
18. 18.True or false: a push button stays where you flip it. (a) True (b) False
19. 19.True or false: a slide switch slides side to side. (a) True (b) False
20. 20.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
21. 21.What does a push button do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes when tipped over
22. 22.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) closes when tipped over
23. 23.True or false: a push button springs back when let go. (a) False (b) True
24. 24.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
25. 25.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
26. 26.🔘 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
27. 27.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
28. 28.🔘 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
29. 29.🔘 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?
30. 30.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
31. 31.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
32. 32.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
33. 33.🔘 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) Yes (b) No
34. 34.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
35. 35.True or false: a reed switch closes near a magnet. (a) False (b) True
36. 36.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
37. 37.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) springs back when let go
38. 38.True or false: a slide switch closes when tipped over. (a) False (b) True
39. 39.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
40. 40.True or false: a reed switch springs back when let go. (a) False (b) True

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