← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 240 · 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 switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  2. 2.True or false: a slide switch springs back when let go. (a) False (b) True
  3. 3.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  4. 4.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) stays where you flip it
  5. 5.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  6. 6.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  7. 7.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  9. 9.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  10. 10.True or false: a toggle switch stays where you flip it. (a) False (b) True
  11. 11.🔘 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
  12. 12.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  15. 15.True or false: a push button springs back when let go. (a) False (b) True
  16. 16.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  19. 19.🔘 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
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  21. 21.True or false: a tilt switch closes when tipped over. (a) False (b) True
  22. 22.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  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) No (b) Yes
  24. 24.True or false: a toggle switch slides side to side. (a) True (b) False
  25. 25.🔘 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
  26. 26.True or false: a toggle switch flips up or down. (a) False (b) True
  27. 27.🔘 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
  28. 28.What does a toggle switch do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) works only while pressed
  29. 29.🔘 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?
  30. 30.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 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) Yes (b) No
  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, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 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
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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