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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 329 · 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 stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  5. 5.True or false: a reed switch works only while pressed. (a) True (b) False
  6. 6.True or false: a slide switch slides side to side. (a) False (b) True
  7. 7.True or false: a toggle switch closes near a magnet. (a) False (b) True
  8. 8.🔘 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
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 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
  11. 11.What does a push button do? (a) closes when tipped over (b) flips up or down (c) works only while pressed (d) slides side to side
  12. 12.🔘 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
  13. 13.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  14. 14.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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
  16. 16.True or false: a slide switch closes when tipped over. (a) False (b) True
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  18. 18.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) springs back when let go
  19. 19.🔘 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
  20. 20.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  21. 21.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  22. 22.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.What does a slide switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  26. 26.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  27. 27.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  28. 28.🔘 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) Yes (b) No
  29. 29.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  30. 30.🔘 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
  31. 31.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  32. 32.True or false: a push button closes when tipped over. (a) True (b) False
  33. 33.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  34. 34.True or false: a slide switch flips up or down. (a) True (b) False
  35. 35.True or false: a slide switch springs back when let go. (a) True (b) False
  36. 36.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  37. 37.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  38. 38.🔘 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?
  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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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