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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 198 · 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 closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch
  3. 3.🔘 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
  4. 4.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes near a magnet
  5. 5.🔘 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?
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  7. 7.🔘 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
  8. 8.🔘 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
  9. 9.What does a slide switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) slides side to side
  10. 10.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  11. 11.🔘 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) No (b) Yes
  12. 12.🔘 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
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  15. 15.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  16. 16.True or false: a reed switch flips up or down. (a) False (b) True
  17. 17.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  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) No (b) Yes
  19. 19.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  20. 20.What does a tilt switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes when tipped over
  21. 21.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  22. 22.True or false: a reed switch stays where you flip it. (a) True (b) False
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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?
  26. 26.True or false: a push button works only while pressed. (a) False (b) True
  27. 27.🔘 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
  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 OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  30. 30.What does a push button do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) stays where you flip it
  31. 31.🔘 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) 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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a push button slides side to side. (a) True (b) False
  34. 34.🔘 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
  35. 35.🔘 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?
  36. 36.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a toggle switch slides side to side. (a) True (b) False
  38. 38.🔘 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?
  39. 39.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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

Answer key

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

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