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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 747 · 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 toggle switch (b) a push button (c) a reed switch (d) a slide switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  6. 6.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  7. 7.🔘 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
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  11. 11.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  12. 12.True or false: a push button works only while pressed. (a) False (b) True
  13. 13.🔘 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
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  15. 15.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) flips up or down
  16. 16.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  17. 17.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) flips up or down
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  19. 19.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  22. 22.True or false: a tilt switch closes when tipped over. (a) True (b) False
  23. 23.True or false: a push button slides side to side. (a) False (b) True
  24. 24.True or false: a slide switch closes near a magnet. (a) False (b) True
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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) No (b) Yes
  27. 27.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) springs back when let go
  28. 28.🔘 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
  29. 29.🔘 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) No (b) Yes
  30. 30.True or false: a toggle switch stays where you flip it. (a) True (b) False
  31. 31.🔘 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
  32. 32.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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) Yes (b) No
  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.True or false: a slide switch closes when tipped over. (a) True (b) False
  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) Yes (b) No
  37. 37.What does a tilt switch do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) flips up or down
  38. 38.🔘 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?
  39. 39.True or false: a toggle switch flips up or down. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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