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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 678 · 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 springs back when let go? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  4. 4.True or false: a slide switch slides side to side. (a) True (b) False
  5. 5.True or false: a toggle switch flips up or down. (a) True (b) False
  6. 6.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  7. 7.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  8. 8.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  9. 9.True or false: a slide switch flips up or down. (a) True (b) False
  10. 10.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  11. 11.🔘 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
  12. 12.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 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?
  14. 14.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  15. 15.🔘 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
  16. 16.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  17. 17.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  18. 18.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  19. 19.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes near a magnet
  20. 20.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a push button stays where you flip it. (a) True (b) False
  25. 25.🔘 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) Yes (b) No
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a slide switch works only while pressed. (a) False (b) True
  29. 29.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  30. 30.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  31. 31.True or false: a reed switch flips up or down. (a) True (b) False
  32. 32.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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?
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch works only while pressed. (a) False (b) True
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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?
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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