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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 736 · 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.🔘 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
  2. 2.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  3. 3.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  6. 6.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  8. 8.True or false: a tilt switch springs back when let go. (a) False (b) True
  9. 9.🔘 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?
  10. 10.🔘 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?
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  12. 12.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 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
  16. 16.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  18. 18.🔘 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?
  19. 19.True or false: a tilt switch closes when tipped over. (a) False (b) True
  20. 20.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a push button do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) closes near a magnet
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  24. 24.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  25. 25.True or false: a push button works only while pressed. (a) True (b) False
  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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  28. 28.True or false: a toggle switch springs back when let go. (a) False (b) True
  29. 29.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  30. 30.🔘 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?
  31. 31.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) stays where you flip it
  32. 32.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  33. 33.True or false: a reed switch flips up or down. (a) True (b) False
  34. 34.True or false: a toggle switch closes when tipped over. (a) False (b) True
  35. 35.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 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) Yes (b) No
  38. 38.True or false: a slide switch stays where you flip it. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.True or false: a slide switch slides side to side. (a) False (b) True

Answer key

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

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