← Switches in a circuit lesson New set →

Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 327 · 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.🔘 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) never (d) when either is ON
  2. 2.What does a reed switch do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  5. 5.🔘 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?
  6. 6.🔘 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
  7. 7.True or false: a push button springs back when let go. (a) True (b) False
  8. 8.What does a push button do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  9. 9.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  10. 10.True or false: a reed switch closes when tipped over. (a) True (b) False
  11. 11.🔘 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
  12. 12.🔘 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
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.🔘 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
  15. 15.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  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 OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.True or false: a slide switch slides side to side. (a) True (b) False
  18. 18.What does a push button do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) slides side to side
  19. 19.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) works only while pressed
  20. 20.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  21. 21.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) flips up or down
  22. 22.🔘 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?
  23. 23.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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?
  26. 26.🔘 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) Yes (b) No
  27. 27.True or false: a push button works only while pressed. (a) True (b) False
  28. 28.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  29. 29.🔘 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?
  30. 30.🔘 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?
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a push button stays where you flip it. (a) False (b) True
  33. 33.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  34. 34.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  35. 35.True or false: a slide switch works only while pressed. (a) False (b) True
  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.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch

Answer key

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

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