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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 338 · 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 works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  2. 2.🔘 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?
  3. 3.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  4. 4.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  6. 6.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  9. 9.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  10. 10.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a push button do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  14. 14.True or false: a reed switch slides side to side. (a) True (b) False
  15. 15.True or false: a push button springs back when let go. (a) False (b) True
  16. 16.What does a reed switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  17. 17.True or false: a tilt switch closes near a magnet. (a) True (b) False
  18. 18.What does a push button do? (a) slides side to side (b) flips up or down (c) closes when tipped over (d) works only while pressed
  19. 19.🔘 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) No (b) Yes
  20. 20.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  21. 21.True or false: a slide switch stays where you flip it. (a) True (b) False
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  24. 24.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) slides side to side
  25. 25.True or false: a tilt switch slides side to side. (a) False (b) True
  26. 26.🔘 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
  27. 27.🔘 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
  28. 28.🔘 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
  29. 29.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  30. 30.True or false: a toggle switch flips up or down. (a) False (b) True
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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) Yes (b) No
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  35. 35.🔘 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
  36. 36.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  37. 37.True or false: a toggle switch stays where you flip it. (a) True (b) False
  38. 38.🔘 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
  39. 39.True or false: a slide switch slides side to side. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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