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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 766 · 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.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  2. 2.🔘 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?
  3. 3.What does a slide switch do? (a) flips up or down (b) works only while pressed (c) springs back when let go (d) slides side to side
  4. 4.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  5. 5.True or false: a tilt switch works only while pressed. (a) False (b) True
  6. 6.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  7. 7.🔘 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
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  9. 9.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle 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.True or false: a tilt switch stays where you flip it. (a) False (b) True
  14. 14.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  15. 15.True or false: a toggle switch flips up or down. (a) True (b) False
  16. 16.🔘 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
  17. 17.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  18. 18.🔘 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?
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  20. 20.True or false: a tilt switch flips up or down. (a) True (b) False
  21. 21.True or false: a push button works only while pressed. (a) False (b) True
  22. 22.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  23. 23.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  24. 24.🔘 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
  25. 25.🔘 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) No (b) Yes
  26. 26.True or false: a push button springs back when let go. (a) True (b) False
  27. 27.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  28. 28.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  29. 29.🔘 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?
  30. 30.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) works only while pressed
  31. 31.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.True or false: a push button flips up or down. (a) False (b) True
  34. 34.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  38. 38.True or false: a tilt switch springs back when let go. (a) True (b) False
  39. 39.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  40. 40.🔘 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?

Answer key

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

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