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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 497 · 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 flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  2. 2.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  3. 3.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  4. 4.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  5. 5.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  6. 6.🔘 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
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  9. 9.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  10. 10.🔘 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
  11. 11.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.🔘 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
  15. 15.🔘 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?
  16. 16.True or false: a push button springs back when let go. (a) False (b) True
  17. 17.What does a tilt switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) closes when tipped over
  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 OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  20. 20.🔘 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?
  21. 21.What does a slide switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) stays where you flip it
  22. 22.🔘 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) No (b) Yes
  23. 23.True or false: a tilt switch works only while pressed. (a) True (b) False
  24. 24.🔘 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?
  25. 25.🔘 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
  26. 26.True or false: a slide switch flips up or down. (a) False (b) True
  27. 27.True or false: a tilt switch springs back when let go. (a) True (b) False
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  29. 29.True or false: a reed switch closes near a magnet. (a) False (b) True
  30. 30.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.True or false: a reed switch closes when tipped over. (a) True (b) False
  34. 34.True or false: a tilt switch closes when tipped over. (a) False (b) True
  35. 35.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a slide switch stays where you flip it. (a) False (b) True
  38. 38.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  39. 39.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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