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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 294 · 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.🔘 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
  2. 2.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  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 OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 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
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  6. 6.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  7. 7.True or false: a slide switch slides side to side. (a) False (b) True
  8. 8.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  9. 9.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  10. 10.🔘 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
  11. 11.True or false: a toggle switch closes when tipped over. (a) True (b) False
  12. 12.🔘 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?
  13. 13.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  17. 17.True or false: a slide switch flips up or down. (a) False (b) True
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  20. 20.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  21. 21.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) closes when tipped over
  24. 24.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  25. 25.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  26. 26.🔘 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
  27. 27.🔘 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) Yes (b) No
  28. 28.True or false: a reed switch stays where you flip it. (a) True (b) False
  29. 29.True or false: a push button flips up or down. (a) True (b) False
  30. 30.True or false: a tilt switch closes when tipped over. (a) False (b) True
  31. 31.🔘 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
  32. 32.🔘 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
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  38. 38.True or false: a toggle switch slides side to side. (a) False (b) True
  39. 39.🔘 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?
  40. 40.True or false: a push button works only while pressed. (a) True (b) False

Answer key

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

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