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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 815 · 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.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  2. 2.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  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.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  8. 8.True or false: a tilt switch stays where you flip it. (a) False (b) True
  9. 9.🔘 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
  10. 10.True or false: a tilt switch works only while pressed. (a) False (b) True
  11. 11.🔘 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?
  12. 12.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 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?
  14. 14.True or false: a reed switch closes near a magnet. (a) True (b) False
  15. 15.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  16. 16.What does a reed switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  17. 17.🔘 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
  18. 18.🔘 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
  19. 19.🔘 A bulb and a cell are joined through 4 switches on 4 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.🔘 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
  21. 21.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  23. 23.True or false: a toggle switch stays where you flip it. (a) False (b) True
  24. 24.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) slides side to side
  25. 25.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  27. 27.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) slides side to side
  28. 28.🔘 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?
  29. 29.🔘 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) Yes (b) No
  30. 30.True or false: a tilt switch closes when tipped over. (a) False (b) True
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  33. 33.True or false: a toggle switch closes near a magnet. (a) True (b) False
  34. 34.🔘 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
  35. 35.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  36. 36.🔘 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) Yes (b) No
  37. 37.True or false: a slide switch closes when tipped over. (a) False (b) True
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  39. 39.🔘 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
  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) Yes (b) No

Answer key

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

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