← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 48 · 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.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  2. 2.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  6. 6.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) flips up or down
  7. 7.True or false: a toggle switch stays where you flip it. (a) False (b) True
  8. 8.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  9. 9.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  10. 10.🔘 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
  11. 11.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) flips up or down
  12. 12.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  14. 14.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) flips up or down
  15. 15.True or false: a push button works only while pressed. (a) True (b) False
  16. 16.True or false: a push button springs back when let go. (a) True (b) False
  17. 17.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide 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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 A bulb and a cell are joined through 4 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.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  22. 22.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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?
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 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?
  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 ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.True or false: a reed switch closes when tipped over. (a) False (b) True
  38. 38.True or false: a slide switch closes when tipped over. (a) False (b) True
  39. 39.🔘 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
  40. 40.True or false: a reed switch flips up or down. (a) True (b) False

Answer key

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

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