← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 618 · 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 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.True or false: a reed switch springs back when let go. (a) True (b) False
  3. 3.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  4. 4.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  5. 5.True or false: a slide switch slides side to side. (a) False (b) True
  6. 6.🔘 A bulb and a cell are joined through 2 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.True or false: a slide switch springs back when let go. (a) True (b) False
  8. 8.True or false: a push button closes when tipped over. (a) True (b) False
  9. 9.True or false: a toggle switch works only while pressed. (a) False (b) True
  10. 10.True or false: a toggle switch closes when tipped over. (a) True (b) False
  11. 11.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (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 OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.True or false: a push button works only while pressed. (a) False (b) True
  14. 14.What does a slide switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  15. 15.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  17. 17.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  18. 18.🔘 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
  19. 19.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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?
  21. 21.🔘 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?
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  23. 23.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  26. 26.🔘 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?
  27. 27.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) closes near a magnet
  28. 28.🔘 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) No (b) Yes
  29. 29.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  30. 30.True or false: a tilt switch flips up or down. (a) False (b) True
  31. 31.What does a push button do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) stays where you flip it
  32. 32.🔘 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
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a push button springs back when let go. (a) False (b) True
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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?
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) springs back when let go
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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