← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 451 · 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.🔘 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
  2. 2.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  3. 3.True or false: a tilt switch flips up or down. (a) True (b) False
  4. 4.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  5. 5.True or false: a tilt switch stays where you flip it. (a) False (b) True
  6. 6.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  9. 9.True or false: a slide switch springs back when let go. (a) False (b) True
  10. 10.True or false: a toggle switch flips up or down. (a) False (b) True
  11. 11.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) closes when tipped over
  12. 12.🔘 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) Yes (b) No
  13. 13.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) slides side to side
  14. 14.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  15. 15.🔘 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
  16. 16.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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
  19. 19.🔘 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?
  20. 20.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  21. 21.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  23. 23.True or false: a push button springs back when let go. (a) False (b) True
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.What does a tilt switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) springs back when let go
  27. 27.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  28. 28.🔘 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?
  29. 29.True or false: a slide switch closes when tipped over. (a) True (b) False
  30. 30.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.🔘 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) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  35. 35.True or false: a reed switch closes near a magnet. (a) True (b) False
  36. 36.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  37. 37.True or false: a tilt switch closes when tipped over. (a) False (b) True
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  40. 40.🔘 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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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