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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 340 · 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.🔘 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
  2. 2.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  3. 3.🔘 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
  4. 4.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  5. 5.True or false: a slide switch springs back when let go. (a) True (b) False
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  8. 8.🔘 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
  9. 9.True or false: a reed switch stays where you flip it. (a) True (b) False
  10. 10.What does a reed switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  11. 11.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) stays where you flip it
  12. 12.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  13. 13.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) open (d) broken
  14. 14.🔘 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
  15. 15.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  16. 16.🔘 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) No (b) Yes
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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
  19. 19.🔘 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?
  20. 20.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  21. 21.True or false: a tilt switch closes when tipped over. (a) True (b) False
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  24. 24.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  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 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?
  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 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?
  29. 29.True or false: a slide switch flips up or down. (a) True (b) False
  30. 30.🔘 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
  31. 31.True or false: a push button slides side to side. (a) False (b) True
  32. 32.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  33. 33.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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?
  35. 35.True or false: a reed switch closes near a magnet. (a) False (b) True
  36. 36.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  37. 37.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  38. 38.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) springs back when let go
  39. 39.True or false: a tilt switch flips up or down. (a) True (b) False
  40. 40.True or false: a toggle switch flips up or down. (a) True (b) False

Answer key

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

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