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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 201 · 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.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  2. 2.🔘 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
  3. 3.True or false: a reed switch springs back when let go. (a) False (b) True
  4. 4.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  7. 7.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  8. 8.True or false: a reed switch closes when tipped over. (a) False (b) True
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  11. 11.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  12. 12.What does a tilt switch do? (a) closes when tipped over (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  13. 13.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 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?
  15. 15.True or false: a slide switch slides side to side. (a) False (b) True
  16. 16.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) closes when tipped over
  17. 17.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  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 ON. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  20. 20.True or false: a toggle switch flips up or down. (a) True (b) False
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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
  23. 23.What does a push button do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) stays where you flip it
  24. 24.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) slides side to side
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  27. 27.🔘 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) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.True or false: a toggle switch stays where you flip it. (a) True (b) False
  33. 33.🔘 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?
  34. 34.🔘 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
  35. 35.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 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?
  38. 38.🔘 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
  39. 39.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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