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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 205 · 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 closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  2. 2.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  3. 3.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  4. 4.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  5. 5.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  8. 8.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) works only while pressed
  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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  10. 10.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  11. 11.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  12. 12.🔘 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
  13. 13.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  15. 15.True or false: a slide switch closes near a magnet. (a) True (b) False
  16. 16.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) slides side to side
  17. 17.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) works only while pressed
  18. 18.True or false: a toggle switch closes near a magnet. (a) True (b) False
  19. 19.🔘 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
  20. 20.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  21. 21.🔘 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
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  26. 26.🔘 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?
  27. 27.True or false: a toggle switch closes when tipped over. (a) True (b) False
  28. 28.🔘 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) when either is ON (d) never
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  30. 30.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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
  34. 34.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) springs back when let go
  35. 35.🔘 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?
  36. 36.True or false: a reed switch closes near a magnet. (a) False (b) True
  37. 37.True or false: a push button closes near a magnet. (a) False (b) True
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.🔘 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?

Answer key

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

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