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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 474 · 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.🔘 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) Yes (b) No
  2. 2.🔘 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
  3. 3.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) springs back when let go
  4. 4.🔘 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) No (b) Yes
  5. 5.True or false: a push button springs back when let go. (a) False (b) True
  6. 6.🔘 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) never (d) only when both are ON
  7. 7.🔘 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?
  8. 8.🔘 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
  9. 9.True or false: a tilt switch springs back when let go. (a) True (b) False
  10. 10.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  11. 11.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) closes when tipped over
  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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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
  14. 14.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 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
  17. 17.🔘 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?
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  19. 19.True or false: a tilt switch works only while pressed. (a) False (b) True
  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 OFF, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  23. 23.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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?
  27. 27.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a push button stays where you flip it. (a) True (b) False
  29. 29.🔘 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
  30. 30.True or false: a toggle switch stays where you flip it. (a) False (b) True
  31. 31.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  32. 32.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  33. 33.True or false: a reed switch flips up or down. (a) False (b) True
  34. 34.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  35. 35.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  36. 36.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes when tipped over
  37. 37.True or false: a toggle switch slides side to side. (a) True (b) False
  38. 38.True or false: a tilt switch closes when tipped over. (a) True (b) False
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) slides side to side

Answer key

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

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