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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 153 · 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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch
  3. 3.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  4. 4.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  5. 5.True or false: a toggle switch springs back when let go. (a) True (b) False
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  7. 7.🔘 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) Yes (b) No
  8. 8.True or false: a toggle switch closes near a magnet. (a) True (b) False
  9. 9.True or false: a slide switch slides side to side. (a) True (b) False
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  11. 11.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  12. 12.True or false: a push button springs back when let go. (a) True (b) False
  13. 13.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed 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 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
  17. 17.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  18. 18.🔘 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
  19. 19.True or false: a tilt switch slides side to side. (a) True (b) False
  20. 20.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  21. 21.🔘 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
  22. 22.True or false: a slide switch closes when tipped over. (a) True (b) False
  23. 23.True or false: a toggle switch works only while pressed. (a) False (b) True
  24. 24.What does a push button do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) works only while pressed
  25. 25.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  26. 26.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.True or false: a tilt switch closes when tipped over. (a) True (b) False
  28. 28.🔘 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?
  29. 29.🔘 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) No (b) Yes
  30. 30.What does a slide switch do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) stays where you flip it
  31. 31.🔘 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
  32. 32.What does a reed switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  34. 34.True or false: a toggle switch flips up or down. (a) True (b) False
  35. 35.🔘 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?
  36. 36.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  40. 40.🔘 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

Answer key

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

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