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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 635 · 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) works only while pressed (b) slides side to side (c) flips up or down (d) closes when tipped over
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  3. 3.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  4. 4.🔘 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
  5. 5.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  6. 6.🔘 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
  7. 7.🔘 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) No (b) Yes
  8. 8.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  9. 9.🔘 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
  10. 10.🔘 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
  11. 11.True or false: a toggle switch flips up or down. (a) False (b) True
  12. 12.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  14. 14.What does a reed switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  15. 15.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  17. 17.True or false: a reed switch springs back when let go. (a) True (b) False
  18. 18.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  19. 19.🔘 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?
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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
  22. 22.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) flips up or down
  23. 23.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  24. 24.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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?
  26. 26.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  27. 27.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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) Yes (b) No
  29. 29.🔘 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?
  30. 30.True or false: a toggle switch works only while pressed. (a) True (b) False
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  35. 35.True or false: a reed switch works only while pressed. (a) False (b) True
  36. 36.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) closes when tipped over
  37. 37.True or false: a tilt switch stays where you flip it. (a) False (b) True
  38. 38.True or false: a reed switch closes when tipped over. (a) False (b) True
  39. 39.True or false: a slide switch closes near a magnet. (a) False (b) True
  40. 40.🔘 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 ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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