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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 814 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  2. 2.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) flips up or down
  3. 3.🔘 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?
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  5. 5.What does a slide switch do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) slides side to side
  6. 6.True or false: a tilt switch works only while pressed. (a) True (b) False
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  9. 9.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  10. 10.🔘 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?
  11. 11.🔘 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
  12. 12.True or false: a slide switch slides side to side. (a) True (b) False
  13. 13.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  14. 14.True or false: a tilt switch stays where you flip it. (a) False (b) True
  15. 15.True or false: a push button works only while pressed. (a) True (b) False
  16. 16.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  17. 17.True or false: a toggle switch closes when tipped over. (a) True (b) False
  18. 18.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  20. 20.True or false: a reed switch flips up or down. (a) True (b) False
  21. 21.🔘 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?
  22. 22.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a toggle switch flips up or down. (a) False (b) True
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  25. 25.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  26. 26.🔘 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
  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.🔘 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
  29. 29.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) springs back when let go
  30. 30.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
  31. 31.🔘 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) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.True or false: a push button springs back when let go. (a) False (b) True
  37. 37.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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?

Answer key

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

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