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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 402 · 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.🔘 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) No (b) Yes
  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.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  4. 4.True or false: a reed switch closes near a magnet. (a) False (b) True
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 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
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  9. 9.What does a tilt switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes when tipped over
  10. 10.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) flips up or down (d) closes near a magnet
  11. 11.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  13. 13.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) slides side to side (d) works only while pressed
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 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
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  18. 18.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  19. 19.🔘 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?
  20. 20.True or false: a push button works only while pressed. (a) True (b) False
  21. 21.🔘 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) No (b) Yes
  22. 22.🔘 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
  23. 23.True or false: a slide switch works only while pressed. (a) False (b) True
  24. 24.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  25. 25.🔘 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
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  29. 29.🔘 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?
  30. 30.True or false: a push button slides side to side. (a) False (b) True
  31. 31.True or false: a toggle switch stays where you flip it. (a) True (b) False
  32. 32.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  33. 33.True or false: a slide switch flips up or down. (a) True (b) False
  34. 34.🔘 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
  35. 35.True or false: a toggle switch works only while pressed. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a tilt switch closes when tipped over. (a) False (b) True
  38. 38.True or false: a toggle switch flips up or down. (a) False (b) True
  39. 39.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  40. 40.What does a push button do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) closes near a magnet

Answer key

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

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