← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 247 · 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.🔘 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
  2. 2.True or false: a reed switch stays where you flip it. (a) True (b) False
  3. 3.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  8. 8.True or false: a tilt switch works only while pressed. (a) True (b) False
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 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?
  11. 11.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  13. 13.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) flips up or down
  14. 14.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  15. 15.🔘 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
  16. 16.🔘 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?
  17. 17.True or false: a push button flips up or down. (a) True (b) False
  18. 18.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  19. 19.True or false: a slide switch springs back when let go. (a) True (b) False
  20. 20.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  21. 21.🔘 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
  22. 22.🔘 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
  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 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) Yes (b) No
  25. 25.What does a tilt switch do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) springs back when let go
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  28. 28.🔘 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
  29. 29.🔘 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) No (b) Yes
  30. 30.True or false: a toggle switch closes near a magnet. (a) False (b) True
  31. 31.True or false: a slide switch slides side to side. (a) False (b) True
  32. 32.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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
  35. 35.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
  36. 36.🔘 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
  37. 37.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a tilt switch closes when tipped over. (a) False (b) True
  39. 39.🔘 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) No (b) Yes
  40. 40.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) springs back when let go

Answer key

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

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