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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 141 · 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 closes near a magnet? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  3. 3.🔘 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
  4. 4.🔘 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
  5. 5.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  6. 6.🔘 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
  7. 7.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) flips up or down
  8. 8.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  9. 9.🔘 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
  10. 10.True or false: a slide switch stays where you flip it. (a) False (b) True
  11. 11.True or false: a push button works only while pressed. (a) True (b) False
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 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
  14. 14.🔘 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) Yes (b) No
  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.True or false: a slide switch closes when tipped over. (a) False (b) True
  17. 17.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  19. 19.True or false: a push button springs back when let go. (a) True (b) False
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  22. 22.True or false: a reed switch closes near a magnet. (a) True (b) False
  23. 23.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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?
  25. 25.🔘 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?
  26. 26.🔘 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) Yes (b) No
  27. 27.True or false: a tilt switch closes when tipped over. (a) False (b) True
  28. 28.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  29. 29.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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?
  31. 31.What does a tilt switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  32. 32.True or false: a slide switch slides side to side. (a) True (b) False
  33. 33.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  35. 35.True or false: a tilt switch closes near a magnet. (a) False (b) True
  36. 36.True or false: a push button flips up or down. (a) True (b) False
  37. 37.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a reed switch closes when tipped over. (a) True (b) False
  39. 39.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  40. 40.What does a slide switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) springs back when let go

Answer key

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

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