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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 426 · 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 reed switch flips up or down. (a) True (b) False
  2. 2.True or false: a push button stays where you flip it. (a) False (b) True
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  4. 4.🔘 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?
  5. 5.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  10. 10.True or false: a toggle switch slides side to side. (a) True (b) False
  11. 11.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  12. 12.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  14. 14.What does a push button do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) works only while pressed
  15. 15.🔘 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
  16. 16.True or false: a reed switch closes near a magnet. (a) False (b) True
  17. 17.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  18. 18.True or false: a toggle switch closes when tipped over. (a) False (b) True
  19. 19.True or false: a reed switch works only while pressed. (a) True (b) False
  20. 20.True or false: a toggle switch flips up or down. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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) No (b) Yes
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  25. 25.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  26. 26.🔘 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?
  27. 27.🔘 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) No (b) Yes
  28. 28.🔘 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) No (b) Yes
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  31. 31.🔘 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?
  32. 32.🔘 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
  33. 33.🔘 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) Yes (b) No
  34. 34.True or false: a push button slides side to side. (a) True (b) False
  35. 35.True or false: a tilt switch springs back when let go. (a) True (b) False
  36. 36.🔘 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) No (b) Yes
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 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) No (b) Yes
  40. 40.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) slides side to side

Answer key

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

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