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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 588 · 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 and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.True or false: a push button springs back when let go. (a) True (b) False
  3. 3.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  4. 4.True or false: a toggle switch closes when tipped over. (a) False (b) True
  5. 5.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  7. 7.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) stays where you flip it
  8. 8.🔘 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
  9. 9.🔘 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) No (b) Yes
  10. 10.🔘 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
  11. 11.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.True or false: a push button works only while pressed. (a) False (b) True
  14. 14.True or false: a push button flips up or down. (a) False (b) True
  15. 15.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  16. 16.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) springs back when let go
  17. 17.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  18. 18.🔘 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?
  19. 19.What does a push button do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) springs back when let go
  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 toggle switch do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  22. 22.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  23. 23.True or false: a tilt switch closes when tipped over. (a) True (b) False
  24. 24.🔘 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
  25. 25.True or false: a slide switch stays where you flip it. (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 OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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?
  29. 29.🔘 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
  30. 30.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  32. 32.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  33. 33.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) slides side to side
  34. 34.🔘 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?
  35. 35.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) when either is ON (d) never
  36. 36.🔘 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
  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 ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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?
  39. 39.What does a tilt switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) closes when tipped over
  40. 40.True or false: a toggle switch flips up or down. (a) False (b) True

Answer key

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

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