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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 443 · 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.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  3. 3.True or false: a slide switch stays where you flip it. (a) False (b) True
  4. 4.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  6. 6.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  9. 9.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  10. 10.🔘 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
  11. 11.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  14. 14.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) flips up or down
  15. 15.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  16. 16.True or false: a push button flips up or down. (a) True (b) False
  17. 17.True or false: a toggle switch closes when tipped over. (a) True (b) False
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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?
  20. 20.What does a slide switch do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) works only while pressed
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  22. 22.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes near a magnet
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.🔘 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) No (b) Yes
  27. 27.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  28. 28.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.True or false: a tilt switch flips up or down. (a) True (b) False
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a reed switch flips up or down. (a) True (b) False
  34. 34.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  35. 35.🔘 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
  36. 36.🔘 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) No (b) Yes
  37. 37.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) works only while pressed (d) slides side to side
  38. 38.🔘 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?
  39. 39.True or false: a push button slides side to side. (a) False (b) True
  40. 40.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch

Answer key

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

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