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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 907 · 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.True or false: a slide switch slides side to side. (a) False (b) True
  2. 2.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  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.What does a reed switch do? (a) closes when tipped over (b) works only while pressed (c) closes near a magnet (d) springs back when let go
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  6. 6.🔘 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
  7. 7.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  8. 8.True or false: a tilt switch works only while pressed. (a) False (b) True
  9. 9.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) flips up or down
  10. 10.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  11. 11.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) works only while pressed
  12. 12.🔘 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?
  13. 13.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  14. 14.True or false: a push button slides side to side. (a) True (b) False
  15. 15.True or false: a toggle switch springs back when let go. (a) True (b) False
  16. 16.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  17. 17.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.True or false: a slide switch closes when tipped over. (a) False (b) True
  19. 19.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.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
  24. 24.🔘 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
  25. 25.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  27. 27.🔘 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
  28. 28.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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
  30. 30.🔘 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?
  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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  33. 33.True or false: a push button springs back when let go. (a) True (b) False
  34. 34.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  35. 35.🔘 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
  36. 36.True or false: a slide switch closes near a magnet. (a) True (b) False
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  39. 39.🔘 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?
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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