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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 326 · 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.🔘 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
  2. 2.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) slides side to side
  3. 3.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  4. 4.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  7. 7.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) springs back when let go (d) flips up or down
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 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) Yes (b) No
  10. 10.True or false: a tilt switch flips up or down. (a) True (b) False
  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 ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  13. 13.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  15. 15.🔘 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) No (b) Yes
  16. 16.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  17. 17.🔘 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
  18. 18.🔘 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
  19. 19.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  20. 20.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) flips up or down
  21. 21.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON. Does the bulb glow? (a) Yes (b) No
  24. 24.What does a push button do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) stays where you flip it
  25. 25.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  26. 26.🔘 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
  27. 27.True or false: a tilt switch stays where you flip it. (a) True (b) False
  28. 28.🔘 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?
  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 OFF, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a tilt switch closes when tipped over. (a) True (b) False
  31. 31.True or false: a push button closes when tipped over. (a) True (b) False
  32. 32.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  33. 33.🔘 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?
  34. 34.🔘 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?
  35. 35.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) slides side to side
  36. 36.🔘 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?
  37. 37.True or false: a toggle switch flips up or down. (a) False (b) True
  38. 38.True or false: a push button works only while pressed. (a) False (b) True
  39. 39.🔘 A bulb and a cell are joined through 4 switches on 4 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.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button

Answer key

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

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