← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 93 · 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 push button do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) works only while pressed
  2. 2.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) slides side to side
  3. 3.🔘 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) Yes (b) No
  4. 4.What does a push button do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  5. 5.🔘 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?
  6. 6.🔘 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) No (b) Yes
  7. 7.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  9. 9.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  11. 11.🔘 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?
  12. 12.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  13. 13.What does a slide switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) stays where you flip it
  14. 14.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  15. 15.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  17. 17.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  20. 20.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  21. 21.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a reed switch springs back when let go. (a) True (b) False
  26. 26.True or false: a slide switch slides side to side. (a) True (b) False
  27. 27.🔘 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?
  28. 28.True or false: a toggle switch flips up or down. (a) False (b) True
  29. 29.🔘 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
  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 OFF, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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?
  33. 33.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
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  35. 35.🔘 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) Yes (b) No
  36. 36.True or false: a push button springs back when let go. (a) False (b) True
  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) Yes (b) No
  38. 38.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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?
  40. 40.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes when tipped over (d) closes near a magnet

Answer key

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

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