← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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