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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 138 · 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) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  2. 2.True or false: a push button works only while pressed. (a) True (b) False
  3. 3.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  4. 4.True or false: a toggle switch slides side to side. (a) True (b) False
  5. 5.What does a slide switch do? (a) closes when tipped over (b) stays where you flip it (c) slides side to side (d) springs back when let go
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  7. 7.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  8. 8.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  9. 9.True or false: a toggle switch works only while pressed. (a) True (b) False
  10. 10.True or false: a toggle switch flips up or down. (a) False (b) True
  11. 11.🔘 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
  12. 12.What does a push button do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes when tipped over
  13. 13.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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?
  15. 15.🔘 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?
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  17. 17.🔘 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?
  18. 18.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  19. 19.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  20. 20.True or false: a push button slides side to side. (a) True (b) False
  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, 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) No (b) Yes
  23. 23.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  28. 28.🔘 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
  29. 29.🔘 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?
  30. 30.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  31. 31.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  32. 32.🔘 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) No (b) Yes
  33. 33.True or false: a toggle switch stays where you flip it. (a) False (b) True
  34. 34.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  36. 36.🔘 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) Yes (b) No
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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) Yes (b) No
  39. 39.True or false: a slide switch springs back when let go. (a) True (b) False
  40. 40.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

Answer key

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

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