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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 822 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  2. 2.🔘 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) Yes (b) No
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  5. 5.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  6. 6.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  7. 7.True or false: a toggle switch stays where you flip it. (a) False (b) True
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  9. 9.True or false: a toggle switch closes when tipped over. (a) False (b) True
  10. 10.True or false: a slide switch slides side to side. (a) False (b) True
  11. 11.What does a reed switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  12. 12.True or false: a tilt switch closes when tipped over. (a) False (b) True
  13. 13.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  14. 14.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.True or false: a reed switch closes near a magnet. (a) False (b) True
  16. 16.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) stays where you flip it
  17. 17.🔘 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
  18. 18.🔘 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?
  19. 19.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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?
  21. 21.🔘 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
  22. 22.What does a slide switch do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) slides side to side
  23. 23.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  24. 24.True or false: a toggle switch flips up or down. (a) True (b) False
  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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  27. 27.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  31. 31.True or false: a slide switch stays where you flip it. (a) True (b) False
  32. 32.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  33. 33.🔘 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?
  34. 34.🔘 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) Yes (b) No
  35. 35.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) slides side to side
  36. 36.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  40. 40.True or false: a tilt switch flips up or down. (a) False (b) True

Answer key

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

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