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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 180 · 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.

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

Answer key

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

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