← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 371 · 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 parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  4. 4.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  6. 6.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  7. 7.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  8. 8.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) closes near a magnet
  9. 9.🔘 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
  10. 10.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  12. 12.🔘 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) No (b) Yes
  13. 13.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) closes when tipped over
  14. 14.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  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 ON. Does the bulb glow? (a) No (b) Yes
  16. 16.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  17. 17.🔘 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) 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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  20. 20.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a slide switch slides side to side. (a) True (b) False
  22. 22.🔘 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
  23. 23.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) closes when tipped over
  24. 24.True or false: a toggle switch closes when tipped over. (a) True (b) False
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  26. 26.🔘 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
  27. 27.🔘 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?
  28. 28.What does a slide switch do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) slides side to side
  29. 29.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  30. 30.What does a push button do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) closes when tipped over
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  33. 33.What does a reed switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes near a magnet
  34. 34.True or false: a toggle switch flips up or down. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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) No (b) Yes

Answer key

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

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