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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 396 · 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 switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  3. 3.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  4. 4.True or false: a push button slides side to side. (a) True (b) False
  5. 5.🔘 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) Yes (b) No
  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.True or false: a toggle switch slides side to side. (a) False (b) True
  8. 8.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  9. 9.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  11. 11.True or false: a toggle switch flips up or down. (a) False (b) True
  12. 12.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
  17. 17.What does a slide switch do? (a) closes when tipped over (b) springs back when let go (c) closes near a magnet (d) slides side to side
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  19. 19.True or false: a toggle switch works only while pressed. (a) True (b) False
  20. 20.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  21. 21.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  23. 23.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  24. 24.What does a push button do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) closes when tipped over
  27. 27.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.🔘 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?
  33. 33.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  34. 34.True or false: a push button stays where you flip it. (a) True (b) False
  35. 35.🔘 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?
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 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?
  39. 39.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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