← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 367 · 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.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  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 ON. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.True or false: a reed switch slides side to side. (a) True (b) False
  6. 6.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  7. 7.🔘 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
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  10. 10.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  11. 11.What does a push button do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) slides side to side
  12. 12.True or false: a push button slides side to side. (a) False (b) True
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  14. 14.True or false: a push button closes near a magnet. (a) False (b) True
  15. 15.True or false: a toggle switch closes near a magnet. (a) True (b) False
  16. 16.True or false: a toggle switch stays where you flip it. (a) False (b) True
  17. 17.🔘 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
  18. 18.True or false: a tilt switch closes when tipped over. (a) True (b) False
  19. 19.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  20. 20.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  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 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 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?
  29. 29.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 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?
  32. 32.True or false: a tilt switch flips up or down. (a) True (b) False
  33. 33.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.True or false: a push button closes when tipped over. (a) False (b) True
  35. 35.True or false: a slide switch closes when tipped over. (a) True (b) False
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  38. 38.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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

Answer key

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

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