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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 775 · 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.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  2. 2.🔘 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
  3. 3.What does a slide switch do? (a) slides side to side (b) flips up or down (c) springs back when let go (d) stays where you flip it
  4. 4.🔘 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) No (b) Yes
  5. 5.🔘 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?
  6. 6.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  9. 9.True or false: a push button works only while pressed. (a) True (b) False
  10. 10.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  11. 11.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  12. 12.🔘 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
  13. 13.🔘 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?
  14. 14.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  19. 19.True or false: a push button slides side to side. (a) False (b) True
  20. 20.🔘 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
  21. 21.True or false: a reed switch closes near a magnet. (a) True (b) False
  22. 22.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  23. 23.True or false: a slide switch slides side to side. (a) True (b) False
  24. 24.🔘 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?
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  26. 26.True or false: a toggle switch stays where you flip it. (a) True (b) False
  27. 27.🔘 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) No (b) Yes
  28. 28.🔘 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) Yes (b) No
  29. 29.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) works only while pressed (d) springs back when let go
  30. 30.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  31. 31.True or false: a toggle switch flips up or down. (a) False (b) True
  32. 32.True or false: a push button springs back when let go. (a) False (b) True
  33. 33.What does a tilt switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  34. 34.🔘 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?
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.🔘 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?
  38. 38.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  39. 39.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  40. 40.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage

Answer key

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

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