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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 246 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  4. 4.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) works only while pressed
  5. 5.What does a push button do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  6. 6.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  7. 7.🔘 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
  8. 8.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  10. 10.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 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
  12. 12.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  16. 16.🔘 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
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  18. 18.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  19. 19.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  20. 20.🔘 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
  21. 21.True or false: a push button works only while pressed. (a) False (b) True
  22. 22.🔘 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?
  23. 23.🔘 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
  24. 24.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a toggle switch stays where you flip it. (a) False (b) True
  26. 26.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  27. 27.🔘 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?
  28. 28.True or false: a toggle switch slides side to side. (a) True (b) False
  29. 29.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  30. 30.True or false: a reed switch slides side to side. (a) True (b) False
  31. 31.True or false: a toggle switch closes when tipped over. (a) True (b) False
  32. 32.True or false: a toggle switch flips up or down. (a) False (b) True
  33. 33.🔘 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) No (b) Yes
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a toggle switch closes near a magnet. (a) False (b) True
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  38. 38.True or false: a tilt switch closes when tipped over. (a) False (b) True
  39. 39.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  40. 40.🔘 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

Answer key

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

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