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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 942 · 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 and C are joined one after another in a single loop (series). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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
  3. 3.True or false: a toggle switch stays where you flip it. (a) True (b) False
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  6. 6.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) works only while pressed
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  8. 8.🔘 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
  9. 9.🔘 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?
  10. 10.True or false: a tilt switch works only while pressed. (a) True (b) False
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  12. 12.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) closes near a magnet
  13. 13.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) slides side to side
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.True or false: a reed switch slides side to side. (a) True (b) False
  16. 16.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  17. 17.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  18. 18.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  19. 19.True or false: a slide switch closes near a magnet. (a) True (b) False
  20. 20.🔘 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?
  21. 21.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) flips up or down
  22. 22.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  24. 24.🔘 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
  25. 25.True or false: a slide switch slides side to side. (a) False (b) True
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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
  28. 28.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  31. 31.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) works only while pressed
  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 OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  34. 34.True or false: a toggle switch closes near a magnet. (a) True (b) False
  35. 35.🔘 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
  36. 36.True or false: a toggle switch flips up or down. (a) False (b) True
  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.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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