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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 372 · 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.🔘 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
  2. 2.What does a push button do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) springs back when let go
  3. 3.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  4. 4.True or false: a push button stays where you flip it. (a) True (b) False
  5. 5.True or false: a slide switch slides side to side. (a) False (b) True
  6. 6.True or false: a reed switch closes near a magnet. (a) True (b) False
  7. 7.🔘 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?
  8. 8.True or false: a toggle switch flips up or down. (a) False (b) True
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  14. 14.True or false: a tilt switch closes when tipped over. (a) False (b) True
  15. 15.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  16. 16.True or false: a push button springs back when let go. (a) True (b) False
  17. 17.True or false: a slide switch flips up or down. (a) True (b) False
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  19. 19.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  20. 20.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  21. 21.🔘 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
  22. 22.🔘 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
  23. 23.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.True or false: a push button works only while pressed. (a) True (b) False
  25. 25.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes when tipped over
  26. 26.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) slides side to side (d) works only while pressed
  27. 27.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  28. 28.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  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 OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.What does a reed switch do? (a) stays where you flip it (b) closes when tipped over (c) closes near a magnet (d) flips up or down
  31. 31.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  33. 33.🔘 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?
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) works only while pressed
  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 ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  38. 38.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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?
  40. 40.🔘 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

Answer key

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

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