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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 893 · 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 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?
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  3. 3.What does a slide switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  4. 4.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  7. 7.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  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 ON and B is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) closes near a magnet
  10. 10.🔘 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
  11. 11.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  12. 12.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  13. 13.True or false: a reed switch closes near a magnet. (a) True (b) False
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  16. 16.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  19. 19.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  20. 20.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  21. 21.True or false: a push button springs back when let go. (a) True (b) False
  22. 22.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  28. 28.🔘 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
  29. 29.🔘 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) No (b) Yes
  30. 30.🔘 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) No (b) Yes
  31. 31.True or false: a slide switch springs back when let go. (a) False (b) True
  32. 32.True or false: a push button stays where you flip it. (a) False (b) True
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.True or false: a toggle switch closes near a magnet. (a) False (b) True
  37. 37.🔘 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?
  38. 38.True or false: a tilt switch works only while pressed. (a) True (b) False
  39. 39.🔘 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?
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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