Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 946 · 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.🔘 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
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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
3. 3.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
4. 4.🔘 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) Yes (b) No
5. 5.True or false: a toggle switch flips up or down. (a) False (b) True
6. 6.True or false: a toggle switch stays where you flip it. (a) False (b) True
7. 7.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
8. 8.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
9. 9.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) flips up or down
10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
11. 11.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
12. 12.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) flips up or down (d) springs back when let go
13. 13.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
14. 14.True or false: a slide switch closes when tipped over. (a) True (b) False
15. 15.True or false: a reed switch closes near a magnet. (a) False (b) True
16. 16.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
17. 17.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
18. 18.🔘 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) No (b) Yes
19. 19.True or false: a push button closes when tipped over. (a) True (b) False
20. 20.🔘 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
21. 21.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
22. 22.True or false: a tilt switch closes near a magnet. (a) True (b) False
23. 23.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
24. 24.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
25. 25.True or false: a push button flips up or down. (a) False (b) True
26. 26.True or false: a push button closes near a magnet. (a) False (b) True
27. 27.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
28. 28.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) springs back when let go
29. 29.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
30. 30.🔘 A bulb and a cell are joined through 5 switches on 5 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?
31. 31.🔘 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
32. 32.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
33. 33.True or false: a tilt switch works only while pressed. (a) False (b) True
34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
35. 35.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) works only while pressed
36. 36.🔘 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?
37. 37.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
38. 38.True or false: a slide switch flips up or down. (a) False (b) True
39. 39.🔘 A bulb and a cell are joined through 2 switches on 2 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.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button

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