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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 353 · 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 closes near a magnet? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  2. 2.What does a push button do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  4. 4.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  5. 5.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  6. 6.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed
  7. 7.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  8. 8.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  9. 9.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 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
  11. 11.🔘 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
  12. 12.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  14. 14.🔘 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?
  15. 15.True or false: a reed switch slides side to side. (a) True (b) False
  16. 16.🔘 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
  17. 17.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) stays where you flip it
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  20. 20.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  21. 21.What does a push button do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 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?
  25. 25.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  26. 26.True or false: a tilt switch springs back when let go. (a) False (b) True
  27. 27.True or false: a toggle switch slides side to side. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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) No (b) Yes
  30. 30.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  31. 31.True or false: a toggle switch flips up or down. (a) True (b) False
  32. 32.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  36. 36.True or false: a reed switch closes near a magnet. (a) False (b) True
  37. 37.True or false: a push button closes when tipped over. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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
  40. 40.True or false: a push button works only while pressed. (a) True (b) False

Answer key

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

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