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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 622 · 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.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) works only while pressed
  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.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) springs back when let go (d) stays where you flip it
  6. 6.🔘 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
  7. 7.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) closes near a magnet
  8. 8.True or false: a toggle switch flips up or down. (a) False (b) True
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  12. 12.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) closes when tipped over
  13. 13.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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
  16. 16.True or false: a reed switch springs back when let go. (a) True (b) False
  17. 17.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  18. 18.🔘 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) No (b) Yes
  19. 19.🔘 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) No (b) Yes
  20. 20.What does a push button do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  22. 22.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  26. 26.🔘 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
  27. 27.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a slide switch slides side to side. (a) False (b) True
  29. 29.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  30. 30.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  31. 31.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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
  34. 34.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  36. 36.🔘 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?
  37. 37.🔘 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?
  38. 38.True or false: a slide switch flips up or down. (a) False (b) True
  39. 39.True or false: a reed switch closes near a magnet. (a) False (b) True
  40. 40.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON

Answer key

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

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