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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 970 · 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 bulb and a cell are joined through 4 switches on 4 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?
  2. 2.🔘 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
  3. 3.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  4. 4.True or false: a reed switch flips up or down. (a) False (b) True
  5. 5.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) flips up or down
  6. 6.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  8. 8.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  9. 9.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  10. 10.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  11. 11.🔘 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
  12. 12.🔘 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?
  13. 13.True or false: a tilt switch springs back when let go. (a) True (b) False
  14. 14.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  15. 15.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  16. 16.What does a push button do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) flips up or down
  17. 17.🔘 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?
  18. 18.🔘 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) Yes (b) No
  19. 19.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.True or false: a tilt switch closes when tipped over. (a) False (b) True
  23. 23.🔘 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) No (b) Yes
  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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  26. 26.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  27. 27.True or false: a toggle switch works only while pressed. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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?
  33. 33.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  34. 34.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch springs back when let go. (a) True (b) False
  36. 36.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  37. 37.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) springs back when let go
  38. 38.🔘 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
  39. 39.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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