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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 236 · 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 slide switch works only while pressed. (a) False (b) True
  2. 2.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  5. 5.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) open (d) broken
  6. 6.What does a push button do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) works only while pressed
  7. 7.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  8. 8.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) flips up or down
  9. 9.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) slides side to side
  10. 10.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  11. 11.🔘 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) No (b) Yes
  12. 12.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  13. 13.🔘 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?
  14. 14.What does a push button do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) closes when tipped over
  15. 15.🔘 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) No (b) Yes
  16. 16.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  17. 17.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  18. 18.True or false: a reed switch springs back when let go. (a) False (b) True
  19. 19.True or false: a push button closes near a magnet. (a) True (b) False
  20. 20.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.True or false: a toggle switch closes when tipped over. (a) True (b) False
  28. 28.🔘 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
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  30. 30.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when either is ON (d) when both are OFF
  33. 33.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  34. 34.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  35. 35.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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
  37. 37.True or false: a reed switch closes near a magnet. (a) True (b) False
  38. 38.🔘 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?
  39. 39.True or false: a tilt switch closes when tipped over. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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