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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 429 · 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.🔘 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
  2. 2.True or false: a toggle switch closes when tipped over. (a) False (b) True
  3. 3.True or false: a tilt switch flips up or down. (a) True (b) False
  4. 4.🔘 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) No (b) Yes
  5. 5.🔘 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
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  11. 11.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  12. 12.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  13. 13.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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
  16. 16.🔘 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
  17. 17.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  18. 18.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  22. 22.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.True or false: a toggle switch works only while pressed. (a) True (b) False
  28. 28.🔘 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
  29. 29.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  30. 30.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) flips up or down
  31. 31.True or false: a push button stays where you flip it. (a) True (b) False
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  33. 33.True or false: a reed switch closes near a magnet. (a) True (b) False
  34. 34.🔘 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?
  35. 35.True or false: a reed switch works only while pressed. (a) False (b) True
  36. 36.True or false: a tilt switch slides side to side. (a) True (b) False
  37. 37.True or false: a push button springs back when let go. (a) False (b) True
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a push button works only while pressed. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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