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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 244 · 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.True or false: a tilt switch slides side to side. (a) False (b) True
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  5. 5.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  8. 8.True or false: a toggle switch slides side to side. (a) False (b) True
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  10. 10.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  11. 11.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  12. 12.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) closes when tipped over
  13. 13.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 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?
  16. 16.True or false: a push button flips up or down. (a) True (b) False
  17. 17.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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?
  20. 20.🔘 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?
  21. 21.🔘 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?
  22. 22.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  28. 28.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  30. 30.🔘 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
  31. 31.True or false: a reed switch stays where you flip it. (a) True (b) False
  32. 32.True or false: a toggle switch stays where you flip it. (a) True (b) False
  33. 33.🔘 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
  34. 34.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  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.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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