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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 778 · 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.True or false: a tilt switch closes when tipped over. (a) False (b) True
  2. 2.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  3. 3.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  4. 4.True or false: a push button springs back when let go. (a) True (b) False
  5. 5.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) flips up or down (d) slides side to side
  6. 6.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 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
  10. 10.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 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
  12. 12.🔘 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?
  13. 13.True or false: a reed switch springs back when let go. (a) True (b) False
  14. 14.🔘 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?
  15. 15.🔘 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?
  16. 16.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  17. 17.True or false: a slide switch slides side to side. (a) False (b) True
  18. 18.🔘 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?
  19. 19.What does a slide switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) slides side to side
  20. 20.True or false: a tilt switch slides side to side. (a) True (b) False
  21. 21.🔘 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
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  25. 25.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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 ON. 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  30. 30.True or false: a push button slides side to side. (a) True (b) False
  31. 31.🔘 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?
  32. 32.🔘 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
  33. 33.True or false: a reed switch flips up or down. (a) False (b) True
  34. 34.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  35. 35.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  39. 39.True or false: a reed switch closes near a magnet. (a) False (b) True
  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) Yes (b) No

Answer key

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

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