← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 989 · 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) springs back when let go (b) closes near a magnet (c) flips up or down (d) stays where you flip it
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  7. 7.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  8. 8.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  9. 9.What does a tilt switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  10. 10.🔘 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
  11. 11.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are OFF (d) only when both are ON
  12. 12.True or false: a slide switch springs back when let go. (a) True (b) False
  13. 13.What does a slide switch do? (a) slides side to side (b) flips up or down (c) stays where you flip it (d) works only while pressed
  14. 14.🔘 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) Yes (b) No
  15. 15.True or false: a push button slides side to side. (a) False (b) True
  16. 16.True or false: a slide switch slides side to side. (a) True (b) False
  17. 17.🔘 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
  18. 18.🔘 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?
  19. 19.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  20. 20.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  22. 22.🔘 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?
  23. 23.🔘 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
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  25. 25.True or false: a tilt switch springs back when let go. (a) False (b) True
  26. 26.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  27. 27.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) closes near a magnet
  28. 28.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a toggle switch slides side to side. (a) True (b) False
  30. 30.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  31. 31.True or false: a toggle switch closes near a magnet. (a) True (b) False
  32. 32.True or false: a push button works only while pressed. (a) True (b) False
  33. 33.🔘 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?
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle 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) Yes (b) No
  37. 37.🔘 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?
  38. 38.🔘 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) No (b) Yes
  39. 39.True or false: a reed switch closes near a magnet. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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