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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 478 · 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 toggle switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  2. 2.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  3. 3.True or false: a reed switch closes near a magnet. (a) False (b) True
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  5. 5.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  6. 6.True or false: a reed switch springs back when let go. (a) False (b) True
  7. 7.🔘 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?
  8. 8.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  9. 9.🔘 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?
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a slide switch do? (a) slides side to side (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  12. 12.🔘 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
  13. 13.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  14. 14.True or false: a tilt switch flips up or down. (a) True (b) False
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  16. 16.🔘 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) No (b) Yes
  17. 17.True or false: a toggle switch works only while pressed. (a) True (b) False
  18. 18.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  21. 21.What does a reed switch do? (a) closes when tipped over (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  23. 23.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  24. 24.🔘 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
  25. 25.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  26. 26.🔘 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
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.True or false: a tilt switch closes when tipped over. (a) False (b) True
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  30. 30.🔘 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
  31. 31.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  32. 32.🔘 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?
  33. 33.True or false: a reed switch closes when tipped over. (a) True (b) False
  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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are OFF (d) only when both are ON
  36. 36.True or false: a toggle switch closes when tipped over. (a) False (b) True
  37. 37.🔘 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
  38. 38.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) slides side to side
  39. 39.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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