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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 169 · 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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) slides side to side
  3. 3.🔘 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
  4. 4.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  8. 8.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  9. 9.🔘 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?
  10. 10.True or false: a push button springs back when let go. (a) False (b) True
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) slides side to side
  14. 14.True or false: a slide switch stays where you flip it. (a) False (b) True
  15. 15.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  16. 16.🔘 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
  17. 17.🔘 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
  18. 18.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  20. 20.True or false: a toggle switch stays where you flip it. (a) False (b) True
  21. 21.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) springs back when let go
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.True or false: a tilt switch stays where you flip it. (a) True (b) False
  25. 25.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  26. 26.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  27. 27.🔘 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?
  28. 28.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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?
  31. 31.True or false: a reed switch closes near a magnet. (a) True (b) False
  32. 32.🔘 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) Yes (b) No
  33. 33.🔘 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?
  34. 34.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 A bulb and a cell are joined through 5 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.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  39. 39.🔘 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
  40. 40.True or false: a toggle switch flips up or down. (a) True (b) False

Answer key

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

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