← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 768 · 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, 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 OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) flips up or down (d) works only while pressed
  3. 3.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  4. 4.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) springs back when let go
  5. 5.🔘 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) Yes (b) No
  6. 6.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) slides side to side
  7. 7.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 ON, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when either is ON (d) when both are OFF
  10. 10.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  11. 11.True or false: a reed switch closes near a magnet. (a) False (b) True
  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 ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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
  14. 14.🔘 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
  15. 15.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  16. 16.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) closes when tipped over
  17. 17.🔘 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
  18. 18.True or false: a tilt switch works only while pressed. (a) True (b) False
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  23. 23.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  24. 24.True or false: a push button springs back when let go. (a) False (b) True
  25. 25.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  26. 26.True or false: a toggle switch slides side to side. (a) True (b) False
  27. 27.🔘 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
  28. 28.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  29. 29.🔘 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
  30. 30.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a reed switch stays where you flip it. (a) True (b) False
  33. 33.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  36. 36.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  37. 37.🔘 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?
  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.🔘 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?
  40. 40.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button

Answer key

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

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