← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 868 · 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) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  2. 2.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) stays where you flip it
  3. 3.True or false: a push button closes when tipped over. (a) False (b) True
  4. 4.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  7. 7.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  8. 8.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) flips up or down
  9. 9.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a reed switch closes when tipped over. (a) True (b) False
  11. 11.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  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 ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  14. 14.🔘 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
  15. 15.🔘 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
  16. 16.🔘 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) Yes (b) No
  17. 17.🔘 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?
  18. 18.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) closes near a magnet
  19. 19.True or false: a slide switch closes when tipped over. (a) False (b) True
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  22. 22.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) springs back when let go (d) slides side to side
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 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
  25. 25.True or false: a push button works only while pressed. (a) True (b) False
  26. 26.True or false: a push button stays where you flip it. (a) True (b) False
  27. 27.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  28. 28.True or false: a push button slides side to side. (a) False (b) True
  29. 29.🔘 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
  30. 30.True or false: a toggle switch stays where you flip it. (a) False (b) True
  31. 31.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  33. 33.What does a push button do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) works only while pressed
  34. 34.🔘 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) No (b) Yes
  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) Yes (b) No
  36. 36.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  37. 37.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF

Answer key

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

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