← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 831 · 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 switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  2. 2.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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?
  4. 4.True or false: a toggle switch stays where you flip it. (a) True (b) False
  5. 5.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  6. 6.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) closes near a magnet
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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
  9. 9.🔘 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
  10. 10.True or false: a tilt switch closes near a magnet. (a) False (b) True
  11. 11.True or false: a toggle switch closes when tipped over. (a) True (b) False
  12. 12.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  13. 13.True or false: a tilt switch flips up or down. (a) False (b) True
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  15. 15.🔘 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
  16. 16.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  17. 17.True or false: a push button works only while pressed. (a) False (b) True
  18. 18.🔘 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) No (b) Yes
  19. 19.🔘 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
  20. 20.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  21. 21.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  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 OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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?
  25. 25.🔘 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
  26. 26.What does a tilt switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) works only while pressed
  27. 27.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  28. 28.True or false: a tilt switch slides side to side. (a) True (b) False
  29. 29.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) slides side to side (d) closes when tipped over
  30. 30.🔘 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
  31. 31.🔘 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) Yes (b) No
  32. 32.True or false: a reed switch flips up or down. (a) False (b) True
  33. 33.🔘 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?
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.🔘 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) No (b) Yes
  38. 38.True or false: a slide switch slides side to side. (a) False (b) True
  39. 39.🔘 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
  40. 40.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch

Answer key

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

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