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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 499 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  2. 2.🔘 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
  3. 3.True or false: a tilt switch closes when tipped over. (a) True (b) False
  4. 4.True or false: a toggle switch closes when tipped over. (a) True (b) False
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  6. 6.True or false: a toggle switch flips up or down. (a) False (b) True
  7. 7.🔘 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?
  8. 8.True or false: a tilt switch springs back when let go. (a) False (b) True
  9. 9.What does a push button do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) works only while pressed
  10. 10.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  11. 11.🔘 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
  12. 12.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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) Yes (b) No
  14. 14.🔘 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
  15. 15.What does a tilt switch do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) springs back when let go
  16. 16.True or false: a push button works only while pressed. (a) True (b) False
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  19. 19.True or false: a toggle switch springs back when let go. (a) True (b) False
  20. 20.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  22. 22.🔘 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
  23. 23.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) springs back when let go
  24. 24.True or false: a push button stays where you flip it. (a) True (b) False
  25. 25.True or false: a toggle switch slides side to side. (a) False (b) True
  26. 26.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  27. 27.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) flips up or down
  29. 29.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, 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 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 ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  33. 33.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) stays where you flip it
  34. 34.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) slides side to side
  35. 35.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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