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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 561 · 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 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) No (b) Yes
  2. 2.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  3. 3.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  4. 4.🔘 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?
  5. 5.True or false: a push button springs back when let go. (a) True (b) False
  6. 6.True or false: a toggle switch flips up or down. (a) True (b) False
  7. 7.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  8. 8.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  11. 11.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  12. 12.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  15. 15.🔘 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
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  19. 19.True or false: a toggle switch closes when tipped over. (a) True (b) False
  20. 20.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) flips up or down
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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?
  24. 24.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.True or false: a toggle switch closes near a magnet. (a) False (b) True
  26. 26.🔘 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
  27. 27.🔘 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?
  28. 28.True or false: a toggle switch stays where you flip it. (a) False (b) True
  29. 29.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  32. 32.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) slides side to side
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  34. 34.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  35. 35.What does a push button do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) springs back when let go
  36. 36.🔘 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?
  37. 37.What does a tilt switch do? (a) springs back when let go (b) works only while pressed (c) closes when tipped over (d) slides side to side
  38. 38.🔘 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
  39. 39.True or false: a slide switch closes when tipped over. (a) True (b) False
  40. 40.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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