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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 824 · 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.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  4. 4.🔘 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
  5. 5.🔘 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
  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 OFF, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.True or false: a slide switch flips up or down. (a) True (b) False
  8. 8.True or false: a toggle switch springs back when let go. (a) True (b) False
  9. 9.True or false: a push button springs back when let go. (a) False (b) True
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  11. 11.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  14. 14.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  15. 15.What does a reed switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  18. 18.What does a slide switch do? (a) springs back when let go (b) closes near a magnet (c) works only while pressed (d) slides side to side
  19. 19.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  20. 20.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  21. 21.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  22. 22.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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?
  24. 24.True or false: a tilt switch closes when tipped over. (a) False (b) True
  25. 25.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) flips up or down (d) slides side to side
  29. 29.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  34. 34.True or false: a push button closes near a magnet. (a) True (b) False
  35. 35.🔘 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) No (b) Yes
  36. 36.True or false: a slide switch springs back when let go. (a) False (b) True
  37. 37.🔘 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
  38. 38.True or false: a tilt switch works only while pressed. (a) True (b) False
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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