← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 560 · 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.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.True or false: a push button works only while pressed. (a) True (b) False
  3. 3.🔘 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
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  6. 6.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  7. 7.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) works only while pressed
  9. 9.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  12. 12.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a reed switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) works only while pressed
  14. 14.What does a push button do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) works only while pressed
  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) Yes (b) No
  16. 16.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  17. 17.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 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 ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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?
  20. 20.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  21. 21.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  22. 22.🔘 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
  23. 23.🔘 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?
  24. 24.True or false: a tilt switch closes when tipped over. (a) False (b) True
  25. 25.True or false: a toggle switch flips up or down. (a) True (b) False
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  28. 28.True or false: a reed switch works only while pressed. (a) False (b) True
  29. 29.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  30. 30.🔘 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?
  31. 31.True or false: a reed switch closes when tipped over. (a) True (b) False
  32. 32.True or false: a push button springs back when let go. (a) False (b) True
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  34. 34.🔘 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?
  35. 35.True or false: a reed switch closes near a magnet. (a) True (b) False
  36. 36.True or false: a slide switch springs back when let go. (a) True (b) False
  37. 37.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  39. 39.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  40. 40.🔘 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?

Answer key

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

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