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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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