← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 52 · 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.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  2. 2.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  4. 4.True or false: a push button works only while pressed. (a) False (b) True
  5. 5.🔘 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
  6. 6.🔘 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?
  7. 7.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  8. 8.True or false: a tilt switch works only while pressed. (a) True (b) False
  9. 9.True or false: a reed switch closes when tipped over. (a) False (b) True
  10. 10.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  11. 11.True or false: a reed switch works only while pressed. (a) True (b) False
  12. 12.True or false: a toggle switch slides side to side. (a) True (b) False
  13. 13.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) springs back when let go
  14. 14.🔘 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
  15. 15.True or false: a toggle switch closes when tipped over. (a) False (b) True
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 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
  19. 19.What does a push button do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) works only while pressed
  20. 20.🔘 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?
  21. 21.What does a reed switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  22. 22.🔘 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) Yes (b) No
  23. 23.True or false: a slide switch closes when tipped over. (a) False (b) True
  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.True or false: a slide switch slides side to side. (a) True (b) False
  26. 26.🔘 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) No (b) Yes
  27. 27.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) flips up or down
  28. 28.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  31. 31.True or false: a reed switch closes near a magnet. (a) False (b) True
  32. 32.🔘 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) No (b) Yes
  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.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  35. 35.🔘 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
  36. 36.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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?

Answer key

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

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