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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 830 · 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 works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  3. 3.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) slides side to side
  4. 4.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  6. 6.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  7. 7.🔘 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
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  9. 9.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  10. 10.🔘 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
  11. 11.True or false: a slide switch works only while pressed. (a) False (b) True
  12. 12.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  13. 13.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  15. 15.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) slides side to side
  16. 16.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  17. 17.True or false: a push button springs back when let go. (a) True (b) False
  18. 18.🔘 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?
  19. 19.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  20. 20.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  21. 21.True or false: a tilt switch flips up or down. (a) True (b) False
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  24. 24.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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?
  27. 27.🔘 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?
  28. 28.True or false: a slide switch slides side to side. (a) False (b) True
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  32. 32.True or false: a toggle switch flips up or down. (a) False (b) True
  33. 33.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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) No (b) Yes
  35. 35.True or false: a tilt switch springs back when let go. (a) True (b) False
  36. 36.🔘 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
  37. 37.True or false: a push button flips up or down. (a) False (b) True
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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