← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 266 · 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 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?
  2. 2.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  3. 3.True or false: a push button springs back when let go. (a) True (b) False
  4. 4.🔘 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
  5. 5.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  6. 6.🔘 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
  7. 7.What does a reed switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) closes near a magnet
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 A bulb and a cell are joined through 6 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.🔘 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) Yes (b) No
  13. 13.What does a slide switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) slides side to side
  14. 14.True or false: a tilt switch closes when tipped over. (a) True (b) False
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  17. 17.True or false: a slide switch slides side to side. (a) True (b) False
  18. 18.True or false: a slide switch stays where you flip it. (a) False (b) True
  19. 19.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  20. 20.🔘 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
  21. 21.True or false: a toggle switch closes when tipped over. (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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a tilt switch springs back when let go. (a) True (b) False
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a toggle switch stays where you flip it. (a) True (b) False
  26. 26.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) springs back when let go
  27. 27.🔘 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?
  28. 28.🔘 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
  29. 29.True or false: a push button flips up or down. (a) False (b) True
  30. 30.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  31. 31.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  33. 33.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  34. 34.True or false: a push button closes when tipped over. (a) True (b) False
  35. 35.🔘 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) No (b) Yes
  36. 36.🔘 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
  37. 37.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  40. 40.True or false: a reed switch closes near a magnet. (a) False (b) True

Answer key

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

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