← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 168 · 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) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  2. 2.True or false: a toggle switch closes when tipped over. (a) True (b) False
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  4. 4.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  5. 5.True or false: a toggle switch flips up or down. (a) True (b) False
  6. 6.🔘 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
  7. 7.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  8. 8.True or false: a tilt switch slides side to side. (a) False (b) True
  9. 9.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a slide switch closes near a magnet. (a) True (b) False
  11. 11.True or false: a tilt switch flips up or down. (a) True (b) False
  12. 12.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
  13. 13.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  14. 14.True or false: a reed switch works only while pressed. (a) True (b) False
  15. 15.True or false: a tilt switch closes when tipped over. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a push button slides side to side. (a) False (b) True
  19. 19.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  20. 20.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  21. 21.🔘 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) No (b) Yes
  22. 22.🔘 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?
  23. 23.🔘 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
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 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
  26. 26.🔘 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
  27. 27.🔘 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
  28. 28.🔘 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?
  29. 29.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) slides side to side
  30. 30.True or false: a push button flips up or down. (a) True (b) False
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  33. 33.True or false: a tilt switch stays where you flip it. (a) True (b) False
  34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  38. 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
  39. 39.🔘 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?
  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 OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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