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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 880 · 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 push button do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) closes near a magnet
  2. 2.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  4. 4.🔘 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
  5. 5.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) closes near a magnet
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  10. 10.True or false: a push button closes near a magnet. (a) False (b) True
  11. 11.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.True or false: a slide switch slides side to side. (a) False (b) True
  14. 14.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.True or false: a slide switch springs back when let go. (a) True (b) False
  18. 18.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a slide switch (d) a tilt switch
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  20. 20.True or false: a tilt switch stays where you flip it. (a) False (b) True
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.True or false: a slide switch works only while pressed. (a) True (b) False
  23. 23.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) springs back when let go (d) works only while pressed
  24. 24.What does a push button do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  25. 25.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  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.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  28. 28.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) flips up or down
  29. 29.🔘 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) 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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.True or false: a push button closes when tipped over. (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 OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a tilt switch flips up or down. (a) True (b) False
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) stays where you flip it
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 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?
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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