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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 908 · 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.True or false: a push button works only while pressed. (a) False (b) True
  3. 3.True or false: a toggle switch flips up or down. (a) True (b) False
  4. 4.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  7. 7.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) flips up or down (d) slides side to side
  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 ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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) No (b) Yes
  10. 10.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  11. 11.🔘 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
  12. 12.What does a reed switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) works only while pressed
  13. 13.🔘 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?
  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.True or false: a push button springs back when let go. (a) True (b) False
  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) No (b) Yes
  17. 17.🔘 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?
  18. 18.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) slides side to side
  19. 19.🔘 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) No (b) Yes
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a push button slides side to side. (a) True (b) False
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  25. 25.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  26. 26.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  27. 27.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  29. 29.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  30. 30.🔘 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 ON. 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a toggle switch stays where you flip it. (a) True (b) False
  33. 33.🔘 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?
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  36. 36.True or false: a reed switch closes near a magnet. (a) True (b) False
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) springs back when let go (d) closes when tipped over
  40. 40.🔘 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?

Answer key

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

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