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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 128 · 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.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.True or false: a toggle switch closes near a magnet. (a) False (b) True
  3. 3.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  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.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  6. 6.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) flips up or down
  7. 7.True or false: a toggle switch slides side to side. (a) True (b) False
  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 OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.True or false: a slide switch slides side to side. (a) False (b) True
  10. 10.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  11. 11.🔘 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?
  12. 12.True or false: a toggle switch works only while pressed. (a) False (b) True
  13. 13.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  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 OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) springs back when let go
  16. 16.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  17. 17.🔘 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
  18. 18.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  19. 19.True or false: a tilt switch flips up or down. (a) True (b) False
  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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a push button do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) slides side to side
  22. 22.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) slides side to side
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a toggle switch stays where you flip it. (a) False (b) True
  27. 27.🔘 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?
  28. 28.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.True or false: a push button flips up or down. (a) True (b) False
  31. 31.🔘 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
  32. 32.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  33. 33.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  34. 34.🔘 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
  35. 35.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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.🔘 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
  38. 38.True or false: a slide switch closes when tipped over. (a) True (b) False
  39. 39.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  40. 40.True or false: a reed switch stays where you flip it. (a) True (b) False

Answer key

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

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