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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 965 · 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 slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  3. 3.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a push button (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 ON. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  7. 7.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  11. 11.What does a slide switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  13. 13.True or false: a reed switch works only while pressed. (a) False (b) True
  14. 14.🔘 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
  15. 15.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) stays where you flip it
  16. 16.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  17. 17.True or false: a slide switch flips up or down. (a) True (b) False
  18. 18.🔘 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
  19. 19.True or false: a toggle switch works only while pressed. (a) True (b) False
  20. 20.True or false: a reed switch closes when tipped over. (a) True (b) False
  21. 21.🔘 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
  22. 22.True or false: a reed switch closes near a magnet. (a) True (b) False
  23. 23.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) closes near a magnet (d) flips up or down
  24. 24.🔘 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?
  25. 25.True or false: a toggle switch stays where you flip it. (a) False (b) True
  26. 26.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  27. 27.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  28. 28.True or false: a push button works only while pressed. (a) True (b) False
  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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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?
  33. 33.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  34. 34.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) works only while pressed (d) flips up or down
  35. 35.True or false: a toggle switch flips up or down. (a) False (b) True
  36. 36.🔘 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?
  37. 37.What does a push button do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes when tipped over
  38. 38.🔘 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) No (b) Yes
  39. 39.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) slides side to side
  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 ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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