← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 654 · 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.

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

Answer key

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

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids