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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 505 · 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.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  2. 2.🔘 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) No (b) Yes
  3. 3.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  4. 4.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 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?
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  8. 8.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  9. 9.True or false: a push button slides side to side. (a) True (b) False
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  11. 11.🔘 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
  12. 12.🔘 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
  13. 13.What does a slide switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) flips up or down
  14. 14.True or false: a push button springs back when let go. (a) False (b) True
  15. 15.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  16. 16.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) slides side to side
  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 switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  20. 20.What does a tilt switch do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) stays where you flip it
  21. 21.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  22. 22.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a reed switch slides side to side. (a) False (b) True
  24. 24.True or false: a toggle switch works only while pressed. (a) True (b) False
  25. 25.True or false: a push button works only while pressed. (a) False (b) True
  26. 26.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  27. 27.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.What does a push button do? (a) flips up or down (b) springs back when let go (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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.True or false: a reed switch closes near a magnet. (a) True (b) False
  32. 32.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  33. 33.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a toggle switch flips up or down. (a) False (b) True
  35. 35.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  37. 37.True or false: a slide switch stays where you flip it. (a) True (b) False
  38. 38.🔘 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
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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