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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 702 · 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.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  2. 2.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  3. 3.🔘 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?
  4. 4.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) springs back when let go
  5. 5.🔘 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?
  6. 6.🔘 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
  7. 7.True or false: a toggle switch closes near a magnet. (a) True (b) False
  8. 8.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) stays where you flip it
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  10. 10.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  11. 11.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  12. 12.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  14. 14.🔘 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) No (b) Yes
  15. 15.True or false: a slide switch works only while pressed. (a) False (b) True
  16. 16.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a slide switch (d) a tilt switch
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  18. 18.True or false: a slide switch flips up or down. (a) False (b) True
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a push button do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
  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 OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.True or false: a tilt switch springs back when let go. (a) True (b) False
  23. 23.🔘 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
  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 cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a reed switch closes when tipped over. (a) False (b) True
  27. 27.🔘 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 OFF. 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.🔘 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
  30. 30.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a tilt switch closes near a magnet. (a) False (b) True
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  35. 35.True or false: a push button closes near a magnet. (a) False (b) True
  36. 36.True or false: a slide switch slides side to side. (a) True (b) False
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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?

Answer key

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

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