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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 573 · 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.True or false: a push button slides side to side. (a) False (b) True
  2. 2.🔘 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?
  3. 3.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  6. 6.True or false: a tilt switch closes when tipped over. (a) False (b) True
  7. 7.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  8. 8.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  9. 9.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  10. 10.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  11. 11.True or false: a toggle switch flips up or down. (a) False (b) True
  12. 12.True or false: a slide switch slides side to side. (a) True (b) False
  13. 13.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  14. 14.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) slides side to side (d) closes when tipped over
  15. 15.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  16. 16.🔘 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
  17. 17.True or false: a toggle switch closes near a magnet. (a) True (b) False
  18. 18.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a tilt switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  22. 22.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  23. 23.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  24. 24.🔘 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?
  25. 25.🔘 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
  26. 26.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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
  28. 28.🔘 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) No (b) Yes
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  31. 31.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a reed switch slides side to side. (a) True (b) False
  34. 34.True or false: a push button works only while pressed. (a) True (b) False
  35. 35.🔘 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?
  36. 36.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  37. 37.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  38. 38.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a reed switch stays where you flip it. (a) False (b) True
  40. 40.True or false: a reed switch flips up or down. (a) True (b) False

Answer key

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

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