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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 60 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  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 OFF. 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) Yes (b) No
  4. 4.🔘 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?
  5. 5.True or false: a toggle switch flips up or down. (a) False (b) True
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  7. 7.True or false: a reed switch flips up or down. (a) True (b) False
  8. 8.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  9. 9.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) stays where you flip it
  10. 10.🔘 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
  11. 11.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  12. 12.🔘 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
  13. 13.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  14. 14.🔘 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) Yes (b) No
  15. 15.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  16. 16.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  17. 17.🔘 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?
  18. 18.🔘 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) No (b) Yes
  19. 19.True or false: a push button flips up or down. (a) True (b) False
  20. 20.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) springs back when let go
  21. 21.🔘 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?
  22. 22.🔘 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?
  23. 23.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) works only while pressed
  24. 24.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  25. 25.🔘 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
  26. 26.True or false: a toggle switch stays where you flip it. (a) False (b) True
  27. 27.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  31. 31.🔘 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
  32. 32.True or false: a reed switch works only while pressed. (a) False (b) True
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  35. 35.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  36. 36.🔘 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) Yes (b) No
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a reed switch stays where you flip it. (a) False (b) True
  39. 39.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  40. 40.True or false: a tilt switch closes when tipped over. (a) False (b) True

Answer key

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

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