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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 594 · 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 slide switch slides side to side. (a) False (b) True
  2. 2.🔘 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?
  3. 3.🔘 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?
  4. 4.🔘 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
  5. 5.🔘 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?
  6. 6.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 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) No (b) Yes
  9. 9.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) works only while pressed
  10. 10.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  11. 11.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  12. 12.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  13. 13.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  16. 16.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  18. 18.True or false: a slide switch springs back when let go. (a) True (b) False
  19. 19.What does a push button do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) stays where you flip it
  20. 20.🔘 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
  21. 21.🔘 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?
  22. 22.True or false: a tilt switch flips up or down. (a) True (b) False
  23. 23.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a reed switch closes when tipped over. (a) False (b) True
  27. 27.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  28. 28.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  29. 29.🔘 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) No (b) Yes
  30. 30.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  33. 33.True or false: a toggle switch stays where you flip it. (a) True (b) False
  34. 34.True or false: a tilt switch closes when tipped over. (a) False (b) True
  35. 35.True or false: a push button slides side to side. (a) True (b) False
  36. 36.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  37. 37.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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
  39. 39.What does a reed switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  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 OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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