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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 780 · 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 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?
  2. 2.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) flips up or down
  3. 3.🔘 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?
  4. 4.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  5. 5.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) works only while pressed
  6. 6.🔘 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
  7. 7.True or false: a toggle switch flips up or down. (a) True (b) False
  8. 8.What does a push button do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) stays where you flip it
  9. 9.What does a tilt switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  10. 10.🔘 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
  11. 11.True or false: a slide switch springs back when let go. (a) False (b) True
  12. 12.True or false: a reed switch closes near a magnet. (a) True (b) False
  13. 13.🔘 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
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  16. 16.🔘 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?
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) when either is ON (d) never
  18. 18.🔘 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
  19. 19.True or false: a toggle switch closes when tipped over. (a) False (b) True
  20. 20.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  21. 21.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  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) Yes (b) No
  23. 23.True or false: a tilt switch slides side to side. (a) False (b) True
  24. 24.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  25. 25.True or false: a slide switch slides side to side. (a) True (b) False
  26. 26.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) flips up or down (d) closes near a magnet
  27. 27.True or false: a push button closes when tipped over. (a) True (b) False
  28. 28.What does a push button do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  29. 29.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a reed switch closes when tipped over. (a) False (b) True
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a slide switch (c) a reed 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  38. 38.True or false: a push button works only while pressed. (a) True (b) False
  39. 39.True or false: a toggle switch springs back when let go. (a) True (b) False
  40. 40.🔘 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) No (b) Yes

Answer key

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

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