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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 472 · 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.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) works only while pressed
  2. 2.🔘 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) Yes (b) No
  3. 3.True or false: a toggle switch works only while pressed. (a) True (b) False
  4. 4.What does a slide switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  5. 5.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) closes when tipped over
  6. 6.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  8. 8.True or false: a slide switch stays where you flip it. (a) True (b) False
  9. 9.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  10. 10.True or false: a toggle switch stays where you flip it. (a) False (b) True
  11. 11.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
  12. 12.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) slides side to side
  13. 13.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  14. 14.True or false: a toggle switch flips up or down. (a) False (b) True
  15. 15.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  16. 16.🔘 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
  17. 17.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 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
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed 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 ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  23. 23.🔘 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?
  24. 24.🔘 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?
  25. 25.🔘 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?
  26. 26.True or false: a reed switch stays where you flip it. (a) True (b) False
  27. 27.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  28. 28.True or false: a reed switch closes when tipped over. (a) False (b) True
  29. 29.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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?
  36. 36.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) flips up or down
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a push button slides side to side. (a) False (b) True
  39. 39.True or false: a push button flips up or down. (a) False (b) True
  40. 40.🔘 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?

Answer key

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

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