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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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