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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 930 · 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 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
  2. 2.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  3. 3.True or false: a slide switch closes near a magnet. (a) True (b) False
  4. 4.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  5. 5.True or false: a toggle switch works only while pressed. (a) True (b) False
  6. 6.True or false: a reed switch closes near a magnet. (a) False (b) True
  7. 7.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  8. 8.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  9. 9.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  11. 11.🔘 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?
  12. 12.True or false: a tilt switch stays where you flip it. (a) False (b) True
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  15. 15.True or false: a tilt switch closes near a magnet. (a) True (b) False
  16. 16.🔘 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
  17. 17.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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) Yes (b) No
  20. 20.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  21. 21.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  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.🔘 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) No (b) Yes
  24. 24.True or false: a tilt switch works only while pressed. (a) True (b) False
  25. 25.🔘 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?
  26. 26.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  31. 31.True or false: a toggle switch stays where you flip it. (a) False (b) True
  32. 32.What does a reed switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  33. 33.🔘 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?
  34. 34.🔘 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) No (b) Yes
  35. 35.True or false: a push button works only while pressed. (a) True (b) False
  36. 36.🔘 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
  37. 37.True or false: a reed switch springs back when let go. (a) False (b) True
  38. 38.🔘 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?
  39. 39.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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