← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 899 · 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.True or false: a reed switch closes near a magnet. (a) False (b) True
  2. 2.True or false: a slide switch slides side to side. (a) False (b) True
  3. 3.🔘 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) when either is ON (d) never
  4. 4.True or false: a tilt switch closes near a magnet. (a) False (b) True
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  7. 7.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  8. 8.🔘 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?
  9. 9.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  10. 10.True or false: a push button flips up or down. (a) False (b) True
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  12. 12.What does a reed switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  13. 13.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  14. 14.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a push button works only while pressed. (a) False (b) True
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  18. 18.🔘 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
  19. 19.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes when tipped over
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  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.🔘 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
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.What does a push button do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes near a magnet
  29. 29.🔘 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
  30. 30.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a tilt switch springs back when let go. (a) True (b) False
  33. 33.🔘 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?
  34. 34.🔘 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) Yes (b) No
  35. 35.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  36. 36.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  37. 37.🔘 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
  38. 38.🔘 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) No (b) Yes
  39. 39.True or false: a reed switch springs back when let go. (a) True (b) False
  40. 40.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) flips up or down

Answer key

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

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