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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 715 · 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 toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  2. 2.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  3. 3.🔘 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?
  4. 4.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  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 ON. Does the bulb glow? (a) No (b) Yes
  6. 6.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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) Yes (b) No
  9. 9.True or false: a slide switch slides side to side. (a) True (b) False
  10. 10.🔘 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) Yes (b) No
  11. 11.True or false: a reed switch springs back when let go. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  15. 15.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  16. 16.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  17. 17.True or false: a toggle switch flips up or down. (a) True (b) False
  18. 18.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) slides side to side
  19. 19.🔘 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?
  20. 20.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) springs back when let go
  21. 21.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  26. 26.🔘 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?
  27. 27.True or false: a push button works only while pressed. (a) True (b) False
  28. 28.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  29. 29.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  32. 32.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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?
  34. 34.True or false: a reed switch slides side to side. (a) True (b) False
  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.🔘 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) Yes (b) No
  37. 37.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  38. 38.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  39. 39.🔘 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?
  40. 40.True or false: a tilt switch works only while pressed. (a) True (b) False

Answer key

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

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