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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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