← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 713 · 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 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
  2. 2.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  3. 3.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) works only while pressed
  4. 4.True or false: a reed switch closes near a magnet. (a) False (b) True
  5. 5.True or false: a toggle switch stays where you flip it. (a) False (b) True
  6. 6.True or false: a reed switch stays where you flip it. (a) True (b) False
  7. 7.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 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?
  9. 9.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  12. 12.True or false: a toggle switch flips up or down. (a) False (b) True
  13. 13.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  14. 14.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  17. 17.🔘 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?
  18. 18.🔘 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?
  19. 19.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  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.🔘 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
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  23. 23.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  26. 26.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) works only while pressed (d) closes when tipped over
  27. 27.🔘 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
  28. 28.True or false: a slide switch slides side to side. (a) True (b) False
  29. 29.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  30. 30.🔘 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?
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a toggle switch works only while pressed. (a) False (b) True
  33. 33.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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
  35. 35.What does a tilt switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) flips up or down
  36. 36.True or false: a push button closes when tipped over. (a) True (b) False
  37. 37.🔘 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
  38. 38.True or false: a reed switch works only while pressed. (a) False (b) True
  39. 39.🔘 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?
  40. 40.🔘 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) No (b) Yes

Answer key

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

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