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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 286 · 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, B and C are joined one after another in a single loop (series). A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  4. 4.🔘 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
  5. 5.🔘 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
  6. 6.🔘 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 ON. 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.🔘 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
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  10. 10.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  11. 11.🔘 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?
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  15. 15.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  16. 16.What does a push button do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) closes when tipped over
  17. 17.True or false: a toggle switch works only while pressed. (a) False (b) True
  18. 18.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  19. 19.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) closes near a magnet
  20. 20.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  21. 21.True or false: a slide switch works only while pressed. (a) True (b) False
  22. 22.🔘 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
  23. 23.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  25. 25.True or false: a tilt switch flips up or down. (a) False (b) True
  26. 26.🔘 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) only when both are OFF (d) never
  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 OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a push button closes near a magnet. (a) False (b) True
  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.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  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 OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a push button works only while pressed. (a) True (b) False
  33. 33.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  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.🔘 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) Yes (b) No
  36. 36.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) slides side to side
  37. 37.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a reed switch flips up or down. (a) True (b) False
  39. 39.🔘 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
  40. 40.True or false: a slide switch stays where you flip it. (a) True (b) False

Answer key

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

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