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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 979 · 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 both are ON (b) when both are OFF (c) when either is ON (d) never
  2. 2.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  3. 3.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  6. 6.True or false: a tilt switch flips up or down. (a) False (b) True
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  8. 8.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) flips up or down
  9. 9.True or false: a push button closes when tipped over. (a) False (b) True
  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) Yes (b) No
  11. 11.True or false: a reed switch stays where you flip it. (a) True (b) False
  12. 12.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  13. 13.True or false: a toggle switch flips up or down. (a) False (b) True
  14. 14.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) flips up or down
  15. 15.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  16. 16.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  17. 17.🔘 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?
  18. 18.True or false: a tilt switch closes when tipped over. (a) False (b) True
  19. 19.🔘 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?
  20. 20.What does a push button do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  21. 21.🔘 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
  22. 22.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  24. 24.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  25. 25.True or false: a reed switch closes near a magnet. (a) False (b) True
  26. 26.🔘 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
  27. 27.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) flips up or down
  28. 28.🔘 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?
  29. 29.True or false: a slide switch flips up or down. (a) False (b) True
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 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
  32. 32.True or false: a toggle switch stays where you flip it. (a) True (b) False
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.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
  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 ON. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a push button works only while pressed. (a) False (b) True
  38. 38.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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 ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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