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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 640 · 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) Yes (b) No
  2. 2.🔘 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) Yes (b) No
  3. 3.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  4. 4.🔘 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
  5. 5.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  8. 8.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  9. 9.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) slides side to side
  10. 10.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  12. 12.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  13. 13.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  14. 14.🔘 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?
  15. 15.True or false: a push button flips up or down. (a) True (b) False
  16. 16.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  18. 18.🔘 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?
  19. 19.True or false: a reed switch works only while pressed. (a) True (b) False
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  21. 21.True or false: a push button works only while pressed. (a) True (b) False
  22. 22.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  23. 23.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  24. 24.🔘 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?
  25. 25.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  26. 26.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.What does a slide switch do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) slides side to side
  29. 29.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) flips up or down (d) closes when tipped over
  30. 30.True or false: a reed switch closes near a magnet. (a) True (b) False
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.What does a push button do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  34. 34.🔘 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
  35. 35.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  36. 36.True or false: a push button closes near a magnet. (a) False (b) True
  37. 37.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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
  40. 40.🔘 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) No (b) Yes

Answer key

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

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