← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 200 · 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.🔘 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
  2. 2.True or false: a tilt switch springs back when let go. (a) True (b) False
  3. 3.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  7. 7.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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
  9. 9.🔘 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
  10. 10.True or false: a toggle switch slides side to side. (a) False (b) True
  11. 11.🔘 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?
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) springs back when let go
  15. 15.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  16. 16.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  18. 18.What does a slide switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  19. 19.🔘 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
  20. 20.True or false: a reed switch slides side to side. (a) True (b) False
  21. 21.True or false: a toggle switch closes near a magnet. (a) True (b) False
  22. 22.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  23. 23.True or false: a slide switch closes when tipped over. (a) False (b) True
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 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?
  29. 29.True or false: a reed switch closes near a magnet. (a) True (b) False
  30. 30.True or false: a reed switch closes when tipped over. (a) True (b) False
  31. 31.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  32. 32.True or false: a push button flips up or down. (a) False (b) True
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  35. 35.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) stays where you flip it
  36. 36.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  37. 37.🔘 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?
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.True or false: a toggle switch stays where you flip it. (a) True (b) False
  40. 40.True or false: a push button works only while pressed. (a) True (b) False

Answer key

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

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