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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 510 · 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 reed switch (c) a slide switch (d) a tilt switch
  2. 2.🔘 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
  3. 3.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  5. 5.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  6. 6.True or false: a reed switch stays where you flip it. (a) True (b) False
  7. 7.True or false: a toggle switch flips up or down. (a) False (b) True
  8. 8.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  9. 9.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  10. 10.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) closes when tipped over
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  12. 12.True or false: a reed switch flips up or down. (a) True (b) False
  13. 13.🔘 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) Yes (b) No
  14. 14.🔘 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?
  15. 15.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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
  18. 18.What does a reed switch do? (a) flips up or down (b) works only while pressed (c) springs back when let go (d) closes near a magnet
  19. 19.🔘 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) Yes (b) No
  20. 20.🔘 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
  21. 21.True or false: a slide switch flips up or down. (a) True (b) False
  22. 22.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) works only while pressed
  23. 23.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  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.🔘 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
  26. 26.🔘 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?
  27. 27.🔘 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
  28. 28.🔘 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) Yes (b) No
  29. 29.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  30. 30.True or false: a slide switch slides side to side. (a) True (b) False
  31. 31.True or false: a push button works only while pressed. (a) True (b) False
  32. 32.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  33. 33.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  40. 40.True or false: a toggle switch works only while pressed. (a) True (b) False

Answer key

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

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