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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 820 · 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 push button (c) a slide switch (d) a toggle switch
  2. 2.What does a slide switch do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) springs back when let go
  3. 3.🔘 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) Yes (b) No
  4. 4.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  5. 5.True or false: a toggle switch slides side to side. (a) True (b) False
  6. 6.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  7. 7.True or false: a push button closes when tipped over. (a) True (b) False
  8. 8.What does a push button do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) works only while pressed
  9. 9.🔘 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
  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 ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  12. 12.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  13. 13.🔘 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) Yes (b) No
  14. 14.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  16. 16.🔘 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
  17. 17.True or false: a slide switch closes when tipped over. (a) False (b) True
  18. 18.🔘 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
  19. 19.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) slides side to side
  20. 20.🔘 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
  21. 21.🔘 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
  22. 22.True or false: a reed switch works only while pressed. (a) False (b) True
  23. 23.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  24. 24.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) closes when tipped over (d) flips up or down
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a toggle switch springs back when let go. (a) False (b) True
  27. 27.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  28. 28.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  29. 29.🔘 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
  30. 30.True or false: a tilt switch slides side to side. (a) True (b) False
  31. 31.🔘 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?
  32. 32.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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) No (b) Yes
  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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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?
  36. 36.True or false: a push button works only while pressed. (a) False (b) True
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  38. 38.True or false: a reed switch springs back when let go. (a) False (b) True
  39. 39.🔘 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
  40. 40.True or false: a tilt switch works only while pressed. (a) True (b) False

Answer key

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

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