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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 804 · 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.What does a push button do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) springs back when let go
  2. 2.True or false: a toggle switch closes when tipped over. (a) True (b) False
  3. 3.🔘 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?
  4. 4.🔘 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?
  5. 5.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  6. 6.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  7. 7.🔘 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?
  8. 8.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) slides side to side
  9. 9.True or false: a slide switch slides side to side. (a) False (b) True
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  11. 11.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  12. 12.🔘 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?
  13. 13.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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
  15. 15.🔘 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
  16. 16.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  17. 17.True or false: a reed switch flips up or down. (a) True (b) False
  18. 18.🔘 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) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  22. 22.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  23. 23.True or false: a slide switch springs back when let go. (a) False (b) True
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  25. 25.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  26. 26.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes when tipped over
  27. 27.True or false: a toggle switch closes near a magnet. (a) False (b) True
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) slides side to side
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.True or false: a toggle switch stays where you flip it. (a) False (b) True
  34. 34.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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) No (b) Yes
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.True or false: a reed switch closes when tipped over. (a) True (b) False
  38. 38.True or false: a slide switch closes when tipped over. (a) False (b) True
  39. 39.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  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. springs back when let go
  2. False
  3. 1
  4. 1
  5. opens or closes the loop
  6. closes near a magnet
  7. 1
  8. stays where you flip it
  9. True
  10. a tilt switch
  11. closed
  12. 6
  13. Yes
  14. when both are ON
  15. No
  16. closes when tipped over
  17. False
  18. Yes
  19. Yes
  20. No
  21. a reed switch
  22. a push button
  23. False
  24. a toggle switch
  25. flips up or down
  26. slides side to side
  27. False
  28. when either is ON
  29. No
  30. works only while pressed
  31. No
  32. No
  33. True
  34. Yes
  35. No
  36. No
  37. False
  38. False
  39. a push button
  40. 2

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