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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 957 · 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.🔘 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) No (b) Yes
  3. 3.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) works only while pressed
  4. 4.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  5. 5.True or false: a tilt switch flips up or down. (a) True (b) False
  6. 6.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  7. 7.True or false: a slide switch works only while pressed. (a) True (b) False
  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 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 OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.What does a push button do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  11. 11.What does a tilt switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  12. 12.🔘 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) No (b) Yes
  13. 13.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  14. 14.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  15. 15.🔘 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
  16. 16.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  17. 17.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  18. 18.True or false: a push button springs back when let go. (a) True (b) False
  19. 19.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) flips up or down
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  22. 22.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.True or false: a toggle switch stays where you flip it. (a) False (b) True
  24. 24.🔘 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) Yes (b) No
  25. 25.🔘 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?
  26. 26.True or false: a reed switch closes near a magnet. (a) True (b) False
  27. 27.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) springs back when let go
  28. 28.🔘 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
  29. 29.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide 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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 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?
  36. 36.🔘 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?
  37. 37.🔘 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?
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  39. 39.True or false: a tilt switch closes when tipped over. (a) True (b) False
  40. 40.True or false: a toggle switch flips up or down. (a) True (b) False

Answer key

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

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