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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 700 · 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.What does a slide switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  2. 2.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  5. 5.True or false: a push button works only while pressed. (a) False (b) True
  6. 6.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) flips up or down (d) works only while pressed
  7. 7.🔘 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?
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  9. 9.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  10. 10.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  11. 11.True or false: a tilt switch closes when tipped over. (a) False (b) True
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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
  14. 14.True or false: a toggle switch springs back when let go. (a) True (b) False
  15. 15.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  16. 16.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  17. 17.🔘 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?
  18. 18.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  21. 21.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a slide switch slides side to side. (a) True (b) False
  24. 24.🔘 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?
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) closes when tipped over
  28. 28.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  29. 29.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  30. 30.True or false: a slide switch stays where you flip it. (a) False (b) True
  31. 31.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a tilt switch springs back when let go. (a) False (b) True
  33. 33.🔘 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
  34. 34.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) works only while pressed (d) stays where you flip it
  35. 35.🔘 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
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  39. 39.True or false: a slide switch works only while pressed. (a) True (b) False
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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