← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 574 · 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) works only while pressed (b) flips up or down (c) closes near a magnet (d) springs back when let go
  2. 2.True or false: a reed switch closes near a magnet. (a) False (b) True
  3. 3.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  4. 4.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  5. 5.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  6. 6.True or false: a push button works only while pressed. (a) False (b) True
  7. 7.🔘 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
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  9. 9.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a toggle switch slides side to side. (a) False (b) True
  11. 11.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  14. 14.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  15. 15.🔘 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?
  16. 16.🔘 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
  17. 17.🔘 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
  18. 18.True or false: a tilt switch springs back when let go. (a) False (b) True
  19. 19.🔘 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
  20. 20.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  21. 21.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a toggle switch works only while pressed. (a) False (b) True
  24. 24.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  25. 25.🔘 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?
  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.🔘 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) No (b) Yes
  28. 28.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) flips up or down
  29. 29.What does a push button do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) flips up or down
  30. 30.True or false: a reed switch closes when tipped over. (a) False (b) True
  31. 31.True or false: a slide switch slides side to side. (a) False (b) True
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  34. 34.🔘 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?
  35. 35.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.True or false: a push button flips up or down. (a) False (b) True
  37. 37.🔘 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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  40. 40.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) closes near a magnet

Answer key

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

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