← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 663 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  2. 2.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) works only while pressed
  3. 3.🔘 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
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 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?
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  7. 7.What does a slide switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) slides side to side
  8. 8.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  10. 10.What does a push button do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  11. 11.🔘 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
  12. 12.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  14. 14.True or false: a reed switch flips up or down. (a) True (b) False
  15. 15.🔘 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
  16. 16.True or false: a tilt switch flips up or down. (a) True (b) False
  17. 17.🔘 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
  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.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  20. 20.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  21. 21.True or false: a reed switch stays where you flip it. (a) True (b) False
  22. 22.🔘 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) No (b) Yes
  23. 23.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  24. 24.🔘 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?
  25. 25.🔘 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?
  26. 26.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) flips up or down (d) slides side to side
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.🔘 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
  29. 29.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) springs back when let go
  30. 30.True or false: a tilt switch slides side to side. (a) True (b) False
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  33. 33.True or false: a tilt switch closes when tipped over. (a) True (b) False
  34. 34.True or false: a toggle switch springs back when let go. (a) True (b) False
  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 OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.What does a reed switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) springs back when let go
  37. 37.🔘 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
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  40. 40.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current

Answer key

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

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