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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 755 · 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.True or false: a tilt switch works only while pressed. (a) False (b) True
  2. 2.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.True or false: a toggle switch flips up or down. (a) True (b) False
  4. 4.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  5. 5.What does a push button do? (a) flips up or down (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  6. 6.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  7. 7.What does a push button do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  10. 10.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  11. 11.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  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.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  14. 14.🔘 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?
  15. 15.True or false: a tilt switch closes when tipped over. (a) False (b) True
  16. 16.What does a toggle switch do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) springs back when let go
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  18. 18.🔘 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
  19. 19.True or false: a push button springs back when let go. (a) True (b) False
  20. 20.True or false: a tilt switch springs back when let go. (a) False (b) True
  21. 21.True or false: a slide switch stays where you flip it. (a) True (b) False
  22. 22.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  23. 23.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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?
  25. 25.True or false: a push button slides side to side. (a) True (b) False
  26. 26.🔘 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
  27. 27.🔘 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
  28. 28.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes near a magnet
  29. 29.🔘 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?
  30. 30.True or false: a push button works only while pressed. (a) True (b) False
  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, 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 OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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?
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  39. 39.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  40. 40.🔘 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?

Answer key

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

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