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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 879 · 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 works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  2. 2.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  3. 3.🔘 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) No (b) Yes
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.What does a tilt switch do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) works only while pressed
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  7. 7.🔘 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) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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
  10. 10.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  12. 12.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) flips up or down
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  15. 15.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a toggle switch (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 OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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?
  18. 18.True or false: a toggle switch closes when tipped over. (a) True (b) False
  19. 19.What does a push button do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) flips up or down
  20. 20.True or false: a push button flips up or down. (a) True (b) False
  21. 21.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  22. 22.True or false: a push button works only while pressed. (a) True (b) False
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a reed switch works only while pressed. (a) False (b) True
  26. 26.🔘 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?
  27. 27.🔘 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
  28. 28.True or false: a reed switch slides side to side. (a) False (b) True
  29. 29.What does a slide switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) stays where you flip it
  30. 30.True or false: a tilt switch closes near a magnet. (a) False (b) True
  31. 31.🔘 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
  32. 32.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  33. 33.🔘 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) No (b) Yes
  34. 34.🔘 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
  35. 35.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  39. 39.🔘 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
  40. 40.True or false: a toggle switch slides side to side. (a) False (b) True

Answer key

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

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