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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 980 · 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.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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) Yes (b) No
  4. 4.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  5. 5.🔘 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?
  6. 6.🔘 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?
  7. 7.🔘 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?
  8. 8.🔘 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) No (b) Yes
  9. 9.True or false: a toggle switch works only while pressed. (a) False (b) True
  10. 10.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  11. 11.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  12. 12.What does a tilt switch do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) closes when tipped over
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 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
  16. 16.True or false: a push button springs back when let go. (a) False (b) True
  17. 17.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  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 ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  19. 19.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  20. 20.True or false: a tilt switch closes when tipped over. (a) True (b) False
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  22. 22.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  25. 25.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  26. 26.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) flips up or down
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 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
  29. 29.True or false: a slide switch slides side to side. (a) True (b) False
  30. 30.True or false: a toggle switch stays where you flip it. (a) True (b) False
  31. 31.What does a push button do? (a) slides side to side (b) springs back when let go (c) closes when tipped over (d) flips up or down
  32. 32.🔘 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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  33. 33.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) works only while pressed
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 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) No (b) Yes
  36. 36.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  37. 37.True or false: a toggle switch closes when tipped over. (a) False (b) True
  38. 38.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.True or false: a push button works only while pressed. (a) True (b) False
  40. 40.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch

Answer key

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

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