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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 805 · 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 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 ON. 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  4. 4.🔘 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
  5. 5.True or false: a slide switch springs back when let go. (a) False (b) True
  6. 6.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  7. 7.True or false: a tilt switch closes when tipped over. (a) True (b) False
  8. 8.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  10. 10.What does a push button do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  11. 11.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) closes when tipped over
  12. 12.What does a slide switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  13. 13.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  15. 15.True or false: a toggle switch flips up or down. (a) True (b) False
  16. 16.🔘 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?
  17. 17.True or false: a reed switch closes near a magnet. (a) False (b) True
  18. 18.🔘 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
  19. 19.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  20. 20.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are OFF (d) when both are ON
  23. 23.🔘 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
  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 closes near a magnet? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  28. 28.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  32. 32.True or false: a toggle switch works only while pressed. (a) False (b) True
  33. 33.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 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
  36. 36.True or false: a reed switch flips up or down. (a) True (b) False
  37. 37.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  38. 38.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) closes when tipped over
  39. 39.True or false: a toggle switch springs back when let go. (a) True (b) False
  40. 40.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch

Answer key

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

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