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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 912 · 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.True or false: a toggle switch flips up or down. (a) True (b) False
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  5. 5.🔘 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
  6. 6.🔘 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?
  7. 7.🔘 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
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  10. 10.🔘 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
  11. 11.🔘 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) No (b) Yes
  12. 12.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  14. 14.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) works only while pressed
  15. 15.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) works only while pressed
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  18. 18.🔘 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
  19. 19.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  20. 20.True or false: a push button stays where you flip it. (a) False (b) True
  21. 21.True or false: a push button works only while pressed. (a) True (b) False
  22. 22.True or false: a toggle switch works only while pressed. (a) True (b) False
  23. 23.🔘 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?
  24. 24.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  26. 26.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  27. 27.🔘 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
  28. 28.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
  29. 29.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  30. 30.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) works only while pressed (d) slides side to side
  31. 31.True or false: a tilt switch flips up or down. (a) True (b) False
  32. 32.True or false: a slide switch springs back when let go. (a) True (b) False
  33. 33.True or false: a slide switch slides side to side. (a) True (b) False
  34. 34.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  35. 35.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a push button flips up or down. (a) False (b) True
  38. 38.What does a toggle switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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

Answer key

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

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