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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 76 · 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.True or false: a push button flips up or down. (a) False (b) True
  2. 2.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  3. 3.🔘 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?
  4. 4.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) flips up or down
  5. 5.True or false: a toggle switch stays where you flip it. (a) True (b) False
  6. 6.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) closes when tipped over
  7. 7.What does a tilt switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) flips up or down
  8. 8.🔘 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?
  9. 9.True or false: a slide switch slides side to side. (a) False (b) True
  10. 10.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  11. 11.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  12. 12.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  15. 15.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  16. 16.🔘 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) Yes (b) No
  17. 17.🔘 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) Yes (b) No
  18. 18.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.True or false: a toggle switch flips up or down. (a) False (b) True
  20. 20.🔘 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?
  21. 21.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  23. 23.🔘 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
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are OFF (d) when both are ON
  25. 25.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) slides side to side
  31. 31.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  32. 32.🔘 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
  33. 33.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 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
  36. 36.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  37. 37.True or false: a push button springs back when let go. (a) True (b) False
  38. 38.🔘 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
  39. 39.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  40. 40.True or false: a toggle switch closes when tipped over. (a) False (b) True

Answer key

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

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