← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 481 · 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 near a magnet? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  2. 2.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  3. 3.🔘 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?
  4. 4.🔘 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
  5. 5.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  6. 6.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a slide switch (d) a tilt switch
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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
  9. 9.🔘 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?
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  11. 11.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  12. 12.🔘 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) Yes (b) No
  13. 13.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  15. 15.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  16. 16.True or false: a reed switch closes near a magnet. (a) False (b) True
  17. 17.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) flips up or down
  18. 18.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) springs back when let go
  19. 19.🔘 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?
  20. 20.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  21. 21.True or false: a tilt switch closes when tipped over. (a) False (b) True
  22. 22.🔘 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
  23. 23.What does a push button do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) closes near a magnet
  24. 24.True or false: a push button works only while pressed. (a) True (b) False
  25. 25.True or false: a slide switch works only while pressed. (a) True (b) False
  26. 26.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  27. 27.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  28. 28.True or false: a tilt switch springs back when let go. (a) True (b) False
  29. 29.🔘 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?
  30. 30.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) flips up or down
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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
  33. 33.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) springs back when let go (d) works only while pressed
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  36. 36.🔘 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
  37. 37.True or false: a reed switch stays where you flip it. (a) True (b) False
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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