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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 57 · 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.🔘 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
  2. 2.True or false: a reed switch closes near a magnet. (a) True (b) False
  3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  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 ON. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  6. 6.🔘 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?
  7. 7.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  8. 8.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  11. 11.🔘 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
  12. 12.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) flips up or down
  13. 13.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  14. 14.True or false: a slide switch flips up or down. (a) False (b) True
  15. 15.🔘 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
  16. 16.True or false: a push button springs back when let go. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a tilt switch works only while pressed. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  23. 23.True or false: a toggle switch stays where you flip it. (a) True (b) False
  24. 24.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  28. 28.True or false: a slide switch closes when tipped over. (a) False (b) True
  29. 29.True or false: a push button closes when tipped over. (a) True (b) False
  30. 30.True or false: a toggle switch slides side to side. (a) False (b) True
  31. 31.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  32. 32.🔘 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?
  33. 33.True or false: a toggle switch flips up or down. (a) False (b) True
  34. 34.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  35. 35.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  36. 36.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  37. 37.🔘 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
  38. 38.🔘 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?
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON

Answer key

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

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