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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 757 · 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.True or false: a push button closes near a magnet. (a) False (b) True
  2. 2.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.True or false: a push button slides side to side. (a) False (b) True
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  5. 5.True or false: a tilt switch stays where you flip it. (a) False (b) True
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  9. 9.What does a reed switch do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  10. 10.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  11. 11.🔘 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
  12. 12.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  13. 13.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  14. 14.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  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 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?
  17. 17.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  18. 18.True or false: a toggle switch stays where you flip it. (a) True (b) False
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  20. 20.🔘 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
  21. 21.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  22. 22.True or false: a tilt switch closes when tipped over. (a) False (b) True
  23. 23.True or false: a slide switch slides side to side. (a) False (b) True
  24. 24.🔘 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) No (b) Yes
  25. 25.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) slides side to side
  26. 26.🔘 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?
  27. 27.🔘 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
  28. 28.🔘 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?
  29. 29.True or false: a toggle switch flips up or down. (a) True (b) False
  30. 30.What does a slide switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) springs back when let go
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.True or false: a reed switch works only while pressed. (a) False (b) True
  34. 34.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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
  36. 36.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) flips up or down
  37. 37.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  39. 39.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  40. 40.🔘 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

Answer key

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

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