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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 193 · 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 stays where you flip it? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  2. 2.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) works only while pressed (d) slides side to side
  3. 3.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) closes when tipped over (d) springs back when let go
  4. 4.🔘 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
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  10. 10.What does a tilt switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes when tipped over
  11. 11.True or false: a push button works only while pressed. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  14. 14.True or false: a tilt switch stays where you flip it. (a) False (b) True
  15. 15.True or false: a slide switch springs back when let go. (a) True (b) False
  16. 16.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
  17. 17.True or false: a reed switch closes near a magnet. (a) False (b) True
  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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 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?
  21. 21.True or false: a toggle switch slides side to side. (a) True (b) False
  22. 22.🔘 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?
  23. 23.🔘 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?
  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 ON and B is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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) only when both are OFF (d) never
  29. 29.🔘 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
  30. 30.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  31. 31.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) flips up or down
  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 ON. Does the bulb glow? (a) Yes (b) No
  33. 33.True or false: a toggle switch flips up or down. (a) False (b) True
  34. 34.🔘 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) Yes (b) No
  35. 35.True or false: a push button closes when tipped over. (a) False (b) True
  36. 36.True or false: a slide switch closes when tipped over. (a) True (b) False
  37. 37.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  39. 39.What does a push button do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  40. 40.True or false: a tilt switch closes near a magnet. (a) True (b) False

Answer key

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

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