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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 183 · 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 works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  2. 2.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  3. 3.True or false: a toggle switch stays where you flip it. (a) True (b) False
  4. 4.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  5. 5.🔘 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?
  6. 6.True or false: a reed switch flips up or down. (a) False (b) True
  7. 7.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) springs back when let go
  8. 8.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  9. 9.What does a toggle switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) works only while pressed
  10. 10.🔘 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
  11. 11.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  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 OFF, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  17. 17.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  18. 18.True or false: a toggle switch flips up or down. (a) True (b) False
  19. 19.True or false: a tilt switch closes near a magnet. (a) False (b) True
  20. 20.True or false: a push button springs back when let go. (a) False (b) True
  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.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.True or false: a tilt switch springs back when let go. (a) True (b) False
  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 OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  33. 33.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  34. 34.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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?
  37. 37.🔘 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?
  38. 38.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  40. 40.True or false: a toggle switch closes near a magnet. (a) False (b) True

Answer key

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

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