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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 530 · 40 questions
TalentJR

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.

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

Answer key

  1. when either is ON
  2. Yes
  3. when both are ON
  4. closed
  5. a tilt switch
  6. works only while pressed
  7. a toggle switch
  8. No
  9. closes near a magnet
  10. closes when tipped over
  11. a push button
  12. No
  13. 1
  14. Yes
  15. springs back when let go
  16. 1
  17. True
  18. a reed switch
  19. Yes
  20. a push button
  21. Yes
  22. Yes
  23. slides side to side
  24. 1
  25. False
  26. a toggle switch
  27. False
  28. 1
  29. False
  30. opens or closes the loop
  31. Yes
  32. True
  33. 3
  34. True
  35. No
  36. No
  37. No
  38. a slide switch
  39. False
  40. Yes

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