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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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