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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 724 · 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.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) flips up or down
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  5. 5.🔘 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?
  6. 6.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  7. 7.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  8. 8.True or false: a toggle switch springs back when let go. (a) True (b) False
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  10. 10.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  11. 11.What does a tilt switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  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 OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  15. 15.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  16. 16.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  18. 18.🔘 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
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  22. 22.True or false: a toggle switch flips up or down. (a) True (b) False
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  24. 24.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  25. 25.True or false: a reed switch works only while pressed. (a) False (b) True
  26. 26.True or false: a push button springs back when let go. (a) False (b) True
  27. 27.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) springs back when let go (d) flips up or down
  28. 28.True or false: a toggle switch closes near a magnet. (a) False (b) True
  29. 29.🔘 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) Yes (b) No
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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) Yes (b) No
  33. 33.True or false: a push button closes when tipped over. (a) True (b) False
  34. 34.🔘 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?
  35. 35.True or false: a slide switch springs back when let go. (a) False (b) True
  36. 36.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  37. 37.True or false: a tilt switch closes when tipped over. (a) False (b) True
  38. 38.What does a slide switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) slides side to side
  39. 39.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 A bulb and a cell are joined through 2 switches on 2 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?

Answer key

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

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