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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 929 · 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 bulb and a cell are joined through 3 switches on 3 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?
  2. 2.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  3. 3.🔘 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?
  4. 4.🔘 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
  5. 5.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  6. 6.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) closes when tipped over
  7. 7.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) closes when tipped over
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  10. 10.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  11. 11.🔘 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 OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  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.True or false: a push button works only while pressed. (a) True (b) False
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  15. 15.True or false: a tilt switch closes near a magnet. (a) False (b) True
  16. 16.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  17. 17.🔘 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?
  18. 18.True or false: a tilt switch works only while pressed. (a) False (b) True
  19. 19.🔘 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) Yes (b) No
  20. 20.🔘 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?
  21. 21.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  22. 22.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed 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 ON, B is ON 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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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
  26. 26.True or false: a slide switch slides side to side. (a) True (b) False
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  30. 30.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  31. 31.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  32. 32.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  33. 33.What does a tilt switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  34. 34.True or false: a reed switch springs back when let go. (a) True (b) False
  35. 35.🔘 A bulb and a cell are joined through 5 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.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  37. 37.🔘 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?
  38. 38.True or false: a slide switch flips up or down. (a) False (b) True
  39. 39.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes near a magnet
  40. 40.True or false: a toggle switch flips up or down. (a) False (b) True

Answer key

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

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