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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 697 · 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 reed switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) closes when tipped over
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  6. 6.True or false: a toggle switch stays where you flip it. (a) False (b) True
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  9. 9.True or false: a toggle switch closes near a magnet. (a) True (b) False
  10. 10.🔘 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?
  11. 11.True or false: a reed switch closes when tipped over. (a) False (b) True
  12. 12.What does a push button do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) flips up or down
  13. 13.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  14. 14.🔘 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?
  15. 15.True or false: a tilt switch closes when tipped over. (a) True (b) False
  16. 16.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  17. 17.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  18. 18.True or false: a push button stays where you flip it. (a) True (b) False
  19. 19.True or false: a toggle switch slides side to side. (a) True (b) False
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  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 ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  23. 23.What does a tilt switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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.🔘 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) Yes (b) No
  27. 27.True or false: a toggle switch flips up or down. (a) False (b) True
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  29. 29.🔘 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
  30. 30.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  31. 31.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  33. 33.True or false: a push button works only while pressed. (a) True (b) False
  34. 34.🔘 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
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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
  37. 37.True or false: a slide switch works only while pressed. (a) True (b) False
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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