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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 176 · 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.🔘 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
  2. 2.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  3. 3.🔘 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?
  4. 4.True or false: a toggle switch springs back when let go. (a) False (b) True
  5. 5.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  6. 6.🔘 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
  7. 7.🔘 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?
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.True or false: a toggle switch stays where you flip it. (a) False (b) True
  11. 11.🔘 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
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  14. 14.What does a tilt switch do? (a) stays where you flip it (b) flips up or down (c) works only while pressed (d) closes when tipped over
  15. 15.🔘 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) Yes (b) No
  16. 16.True or false: a push button closes when tipped over. (a) False (b) True
  17. 17.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  18. 18.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  19. 19.🔘 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) Yes (b) No
  20. 20.True or false: a toggle switch closes when tipped over. (a) True (b) False
  21. 21.🔘 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) Yes (b) No
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  23. 23.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  24. 24.True or false: a toggle switch flips up or down. (a) True (b) False
  25. 25.What does a slide switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) slides side to side
  26. 26.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  27. 27.🔘 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) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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) Yes (b) No
  30. 30.True or false: a reed switch closes near a magnet. (a) False (b) True
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  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.🔘 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
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch stays where you flip it. (a) False (b) True
  36. 36.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  37. 37.🔘 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
  38. 38.🔘 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?
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch

Answer key

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

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