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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 115 · 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.🔘 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?
  2. 2.What does a push button do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  3. 3.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  4. 4.True or false: a slide switch flips up or down. (a) True (b) False
  5. 5.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  7. 7.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  8. 8.🔘 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) Yes (b) No
  9. 9.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  10. 10.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
  11. 11.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  12. 12.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  13. 13.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 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?
  19. 19.True or false: a tilt switch closes near a magnet. (a) True (b) False
  20. 20.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  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.True or false: a toggle switch closes near a magnet. (a) True (b) False
  26. 26.True or false: a push button closes when tipped over. (a) False (b) True
  27. 27.True or false: a toggle switch springs back when let go. (a) True (b) False
  28. 28.🔘 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?
  29. 29.🔘 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?
  30. 30.True or false: a tilt switch springs back when let go. (a) False (b) True
  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) Yes (b) No
  32. 32.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.True or false: a push button stays where you flip it. (a) True (b) False
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) closes near a magnet
  39. 39.True or false: a push button springs back when let go. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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