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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 253 · 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 slides side to side. (a) True (b) False
  2. 2.True or false: a reed switch closes near a magnet. (a) True (b) False
  3. 3.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  4. 4.True or false: a push button springs back when let go. (a) True (b) False
  5. 5.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) slides side to side
  6. 6.True or false: a toggle switch flips up or down. (a) True (b) False
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  10. 10.What does a slide switch do? (a) stays where you flip it (b) flips up or down (c) slides side to side (d) springs back when let go
  11. 11.What does a push button do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) springs back when let go
  12. 12.True or false: a toggle switch works only while pressed. (a) True (b) False
  13. 13.🔘 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
  14. 14.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  15. 15.🔘 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?
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  17. 17.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  18. 18.🔘 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) Yes (b) No
  19. 19.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) works only while pressed (d) slides side to side
  20. 20.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  24. 24.True or false: a push button works only while pressed. (a) True (b) False
  25. 25.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  26. 26.🔘 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?
  27. 27.🔘 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 OFF (d) only when both are ON
  28. 28.🔘 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
  29. 29.🔘 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?
  30. 30.True or false: a tilt switch closes when tipped over. (a) True (b) False
  31. 31.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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) Yes (b) No
  35. 35.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  36. 36.What does a reed switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) closes near a magnet
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  39. 39.🔘 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
  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. False
  2. True
  3. closed
  4. True
  5. closes when tipped over
  6. True
  7. a toggle switch
  8. No
  9. a push button
  10. slides side to side
  11. springs back when let go
  12. False
  13. No
  14. flips up or down
  15. 1
  16. a reed switch
  17. a slide switch
  18. Yes
  19. works only while pressed
  20. No
  21. Yes
  22. No
  23. opens or closes the loop
  24. True
  25. a toggle switch
  26. 5
  27. when either is ON
  28. Yes
  29. 1
  30. True
  31. a push button
  32. No
  33. Yes
  34. Yes
  35. stays where you flip it
  36. closes near a magnet
  37. No
  38. when both are ON
  39. Yes
  40. No

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