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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 793 · 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 tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  2. 2.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  3. 3.True or false: a toggle switch works only while pressed. (a) True (b) False
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  6. 6.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  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 OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  9. 9.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  11. 11.🔘 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
  12. 12.True or false: a tilt switch springs back when let go. (a) False (b) True
  13. 13.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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
  15. 15.🔘 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
  16. 16.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  17. 17.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  19. 19.🔘 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
  20. 20.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  21. 21.🔘 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
  22. 22.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  23. 23.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) works only while pressed
  24. 24.True or false: a push button works only while pressed. (a) False (b) True
  25. 25.🔘 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) No (b) Yes
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  28. 28.True or false: a reed switch closes near a magnet. (a) True (b) False
  29. 29.True or false: a toggle switch flips up or down. (a) True (b) False
  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.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) slides side to side
  32. 32.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  33. 33.True or false: a toggle switch springs back when let go. (a) False (b) True
  34. 34.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a tilt switch stays where you flip it. (a) True (b) False
  36. 36.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  38. 38.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) slides side to side
  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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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?

Answer key

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

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