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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 463 · 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 stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  2. 2.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) flips up or down
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  7. 7.🔘 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
  8. 8.🔘 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
  9. 9.True or false: a tilt switch closes when tipped over. (a) False (b) True
  10. 10.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  11. 11.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  12. 12.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) springs back when let go
  13. 13.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  14. 14.🔘 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) Yes (b) No
  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) No (b) Yes
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 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?
  18. 18.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  20. 20.What does a slide switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) slides side to side
  21. 21.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  22. 22.🔘 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
  23. 23.True or false: a push button works only while pressed. (a) False (b) True
  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 ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  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) 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a reed switch springs back when let go. (a) False (b) True
  29. 29.🔘 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?
  30. 30.True or false: a reed switch works only while pressed. (a) True (b) False
  31. 31.True or false: a push button closes near a magnet. (a) False (b) True
  32. 32.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  33. 33.🔘 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?
  34. 34.True or false: a push button stays where you flip it. (a) True (b) False
  35. 35.True or false: a toggle switch closes when tipped over. (a) True (b) False
  36. 36.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  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 OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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
  39. 39.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  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 OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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