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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 673 · 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 stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  3. 3.True or false: a toggle switch flips up or down. (a) False (b) True
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  6. 6.🔘 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
  7. 7.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  9. 9.🔘 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
  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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.True or false: a push button springs back when let go. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  14. 14.True or false: a push button slides side to side. (a) False (b) True
  15. 15.🔘 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
  16. 16.🔘 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
  17. 17.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  18. 18.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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) Yes (b) No
  21. 21.True or false: a reed switch works only while pressed. (a) False (b) True
  22. 22.True or false: a slide switch slides side to side. (a) False (b) True
  23. 23.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  24. 24.True or false: a tilt switch stays where you flip it. (a) False (b) True
  25. 25.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) works only while pressed
  26. 26.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  27. 27.True or false: a push button flips up or down. (a) True (b) False
  28. 28.🔘 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?
  29. 29.What does a push button do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) works only while pressed
  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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  33. 33.True or false: a toggle switch springs back when let go. (a) False (b) True
  34. 34.🔘 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
  35. 35.🔘 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?
  36. 36.True or false: a reed switch slides side to side. (a) True (b) False
  37. 37.🔘 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
  38. 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
  39. 39.🔘 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?
  40. 40.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) only when both are OFF (d) never

Answer key

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

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