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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 428 · 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 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
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) springs back when let go
  3. 3.True or false: a reed switch slides side to side. (a) True (b) False
  4. 4.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  5. 5.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  6. 6.What does a push button do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) works only while pressed
  7. 7.🔘 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?
  8. 8.True or false: a tilt switch closes when tipped over. (a) True (b) False
  9. 9.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  10. 10.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  11. 11.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  12. 12.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  14. 14.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  15. 15.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  16. 16.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  20. 20.True or false: a tilt switch flips up or down. (a) False (b) True
  21. 21.🔘 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
  22. 22.🔘 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
  23. 23.True or false: a slide switch closes when tipped over. (a) True (b) False
  24. 24.True or false: a toggle switch slides side to side. (a) False (b) True
  25. 25.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  26. 26.True or false: a toggle switch flips up or down. (a) False (b) True
  27. 27.🔘 A bulb and a cell are joined through 4 switches on 4 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 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
  29. 29.🔘 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) Yes (b) No
  30. 30.True or false: a toggle switch stays where you flip it. (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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  36. 36.🔘 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
  37. 37.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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
  39. 39.True or false: a slide switch slides side to side. (a) True (b) False
  40. 40.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button

Answer key

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

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