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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 955 · 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 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?
  2. 2.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  5. 5.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  8. 8.True or false: a slide switch springs back when let go. (a) True (b) False
  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 OFF. 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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  12. 12.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  14. 14.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  16. 16.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) works only while pressed
  17. 17.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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
  21. 21.True or false: a toggle switch works only while pressed. (a) True (b) False
  22. 22.🔘 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
  23. 23.True or false: a push button works only while pressed. (a) True (b) False
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  26. 26.🔘 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?
  27. 27.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) slides side to side
  28. 28.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) springs back when let go
  29. 29.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  30. 30.🔘 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?
  31. 31.🔘 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
  32. 32.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  33. 33.True or false: a toggle switch closes near a magnet. (a) True (b) False
  34. 34.🔘 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?
  35. 35.True or false: a tilt switch closes when tipped over. (a) False (b) True
  36. 36.True or false: a tilt switch works only while pressed. (a) False (b) True
  37. 37.🔘 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) never (d) when either is ON
  38. 38.True or false: a reed switch works only while pressed. (a) True (b) False
  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 OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) closes near a magnet

Answer key

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

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