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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 528 · 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 stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  2. 2.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  3. 3.True or false: a reed switch stays where you flip it. (a) False (b) True
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  5. 5.True or false: a toggle switch stays where you flip it. (a) False (b) True
  6. 6.🔘 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
  7. 7.True or false: a push button closes when tipped over. (a) True (b) False
  8. 8.🔘 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?
  9. 9.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  10. 10.🔘 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
  11. 11.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  12. 12.What does a tilt switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  13. 13.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  14. 14.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 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
  16. 16.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  17. 17.🔘 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?
  18. 18.True or false: a reed switch closes when tipped over. (a) False (b) True
  19. 19.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  20. 20.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  21. 21.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  22. 22.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  23. 23.🔘 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
  24. 24.True or false: a reed switch closes near a magnet. (a) True (b) False
  25. 25.🔘 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?
  26. 26.True or false: a push button closes near a magnet. (a) False (b) True
  27. 27.🔘 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
  28. 28.What does a push button do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) stays where you flip it
  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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  31. 31.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  32. 32.True or false: a toggle switch works only while pressed. (a) True (b) False
  33. 33.What does a push button do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  34. 34.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  35. 35.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  36. 36.🔘 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
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a reed switch slides side to side. (a) True (b) False
  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 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) No (b) Yes

Answer key

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

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