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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 245 · 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.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  2. 2.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  4. 4.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  6. 6.True or false: a push button works only while pressed. (a) True (b) False
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  9. 9.🔘 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
  10. 10.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  12. 12.What does a reed switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) flips up or down
  13. 13.True or false: a slide switch closes near a magnet. (a) True (b) False
  14. 14.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  16. 16.🔘 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) Yes (b) No
  17. 17.What does a slide switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) works only while pressed
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  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) Yes (b) No
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  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 OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.True or false: a toggle switch works only while pressed. (a) False (b) True
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a slide switch slides side to side. (a) False (b) True
  26. 26.🔘 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
  27. 27.🔘 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?
  28. 28.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) slides side to side
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a tilt switch stays where you flip it. (a) True (b) False
  31. 31.🔘 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) 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.True or false: a push button flips up or down. (a) False (b) True
  34. 34.What does a push button do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  37. 37.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a tilt switch springs back when let go. (a) True (b) False
  39. 39.🔘 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?
  40. 40.🔘 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?

Answer key

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

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