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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 826 · 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 reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  5. 5.What does a reed switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) works only while pressed
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  8. 8.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  9. 9.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  10. 10.True or false: a reed switch closes near a magnet. (a) False (b) True
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  12. 12.What does a push button do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  13. 13.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  14. 14.🔘 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
  15. 15.True or false: a tilt switch stays where you flip it. (a) False (b) True
  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.True or false: a toggle switch flips up or down. (a) False (b) True
  18. 18.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  19. 19.True or false: a slide switch closes when tipped over. (a) True (b) False
  20. 20.🔘 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?
  21. 21.True or false: a push button stays where you flip it. (a) True (b) False
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  28. 28.True or false: a slide switch closes near a magnet. (a) False (b) True
  29. 29.🔘 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 ON, 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 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?
  31. 31.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) flips up or down (d) slides side to side
  32. 32.🔘 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) No (b) Yes
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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
  35. 35.🔘 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?
  36. 36.True or false: a slide switch works only while pressed. (a) True (b) False
  37. 37.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  38. 38.🔘 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
  39. 39.What does a push button do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) closes near a magnet
  40. 40.🔘 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

Answer key

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

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