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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 854 · 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.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) springs back when let go
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  3. 3.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  4. 4.True or false: a push button springs back when let go. (a) False (b) True
  5. 5.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  6. 6.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  7. 7.🔘 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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 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?
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  11. 11.True or false: a toggle switch flips up or down. (a) False (b) True
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  13. 13.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  15. 15.True or false: a slide switch stays where you flip it. (a) True (b) False
  16. 16.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  17. 17.🔘 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 ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a reed switch springs back when let go. (a) False (b) True
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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?
  21. 21.What does a push button do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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
  24. 24.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  25. 25.True or false: a tilt switch closes when tipped over. (a) False (b) True
  26. 26.True or false: a push button slides side to side. (a) False (b) True
  27. 27.🔘 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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a push button works only while pressed. (a) True (b) False
  29. 29.True or false: a reed switch closes near a magnet. (a) False (b) True
  30. 30.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  33. 33.True or false: a toggle switch works only while pressed. (a) False (b) True
  34. 34.🔘 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?
  35. 35.🔘 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
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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