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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 927 · 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.True or false: a toggle switch flips up or down. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  3. 3.True or false: a reed switch slides side to side. (a) False (b) True
  4. 4.What does a slide switch do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) springs back when let go
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  7. 7.🔘 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) No (b) Yes
  8. 8.What does a push button do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  9. 9.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  10. 10.True or false: a reed switch works only while pressed. (a) False (b) True
  11. 11.What does a push button do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  12. 12.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  13. 13.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  14. 14.🔘 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?
  15. 15.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  16. 16.🔘 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
  17. 17.🔘 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?
  18. 18.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) slides side to side
  19. 19.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  20. 20.True or false: a tilt switch closes when tipped over. (a) False (b) True
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.True or false: a tilt switch stays where you flip it. (a) False (b) True
  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) Yes (b) No
  28. 28.🔘 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) Yes (b) No
  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 OFF, B is ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a push button works only while pressed. (a) False (b) True
  31. 31.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) works only while pressed
  32. 32.True or false: a toggle switch slides side to side. (a) True (b) False
  33. 33.🔘 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) No (b) Yes
  34. 34.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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?
  36. 36.🔘 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?
  37. 37.🔘 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
  38. 38.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  39. 39.True or false: a reed switch stays where you flip it. (a) True (b) False
  40. 40.True or false: a tilt switch closes near a magnet. (a) True (b) False

Answer key

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

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