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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 136 · 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 switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.True or false: a tilt switch closes when tipped over. (a) False (b) True
  5. 5.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  6. 6.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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) No (b) Yes
  9. 9.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) flips up or down
  10. 10.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  11. 11.True or false: a push button stays where you flip it. (a) False (b) True
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  14. 14.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  15. 15.True or false: a reed switch springs back when let go. (a) False (b) True
  16. 16.What does a push button do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  17. 17.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a reed switch closes near a magnet. (a) True (b) False
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  20. 20.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  21. 21.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  22. 22.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  24. 24.What does a tilt switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  25. 25.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, 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 OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  29. 29.What does a slide switch do? (a) closes near a magnet (b) stays where you flip it (c) springs back when let go (d) slides side to side
  30. 30.True or false: a tilt switch works only while pressed. (a) True (b) False
  31. 31.🔘 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
  32. 32.True or false: a tilt switch closes near a magnet. (a) False (b) True
  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) No (b) Yes
  34. 34.🔘 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
  35. 35.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  36. 36.True or false: a push button springs back when let go. (a) True (b) False
  37. 37.True or false: a toggle switch flips up or down. (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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a toggle switch stays where you flip it. (a) False (b) True

Answer key

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

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