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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 711 · 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.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  3. 3.True or false: a reed switch works only while pressed. (a) True (b) False
  4. 4.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) works only while pressed
  5. 5.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  6. 6.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  7. 7.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  8. 8.True or false: a toggle switch flips up or down. (a) False (b) True
  9. 9.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  10. 10.🔘 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?
  11. 11.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes when tipped over
  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 ON. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes when tipped over
  14. 14.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  15. 15.True or false: a reed switch flips up or down. (a) False (b) True
  16. 16.True or false: a slide switch closes when tipped over. (a) True (b) False
  17. 17.True or false: a tilt switch closes when tipped over. (a) True (b) False
  18. 18.True or false: a toggle switch springs back when let go. (a) False (b) True
  19. 19.🔘 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
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) never (d) when both are OFF
  24. 24.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.True or false: a tilt switch works only while pressed. (a) False (b) True
  26. 26.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  27. 27.True or false: a toggle switch stays where you flip it. (a) False (b) True
  28. 28.🔘 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) No (b) Yes
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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?
  34. 34.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.True or false: a slide switch slides side to side. (a) False (b) True
  37. 37.True or false: a tilt switch flips up or down. (a) False (b) True
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  40. 40.🔘 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

Answer key

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

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