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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 541 · 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 tilt switch do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) stays where you flip it
  2. 2.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) stays where you flip it
  3. 3.🔘 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
  4. 4.🔘 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
  5. 5.True or false: a push button works only while pressed. (a) True (b) False
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  7. 7.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  8. 8.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) springs back when let go
  9. 9.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 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
  12. 12.🔘 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?
  13. 13.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.True or false: a slide switch flips up or down. (a) True (b) False
  15. 15.True or false: a reed switch works only while pressed. (a) True (b) False
  16. 16.True or false: a toggle switch flips up or down. (a) False (b) True
  17. 17.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  18. 18.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  19. 19.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) closes when tipped over
  20. 20.🔘 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) No (b) Yes
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  23. 23.What does a slide switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) closes near a magnet
  24. 24.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  25. 25.True or false: a push button springs back when let go. (a) False (b) True
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 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
  28. 28.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  29. 29.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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
  33. 33.🔘 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) No (b) Yes
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  36. 36.True or false: a slide switch slides side to side. (a) False (b) True
  37. 37.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  38. 38.🔘 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?
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  40. 40.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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