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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 211 · 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 slides side to side? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  2. 2.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  3. 3.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) works only while pressed
  4. 4.🔘 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?
  5. 5.🔘 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
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  8. 8.🔘 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) No (b) Yes
  9. 9.True or false: a push button springs back when let go. (a) True (b) False
  10. 10.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  11. 11.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  12. 12.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
  14. 14.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  15. 15.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) never (d) when both are OFF
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) slides side to side
  21. 21.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) slides side to side
  22. 22.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  25. 25.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  27. 27.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  28. 28.True or false: a tilt switch closes when tipped over. (a) False (b) True
  29. 29.True or false: a slide switch slides side to side. (a) True (b) False
  30. 30.🔘 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) Yes (b) No
  31. 31.True or false: a toggle switch stays where you flip it. (a) True (b) False
  32. 32.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  33. 33.True or false: a slide switch works only while pressed. (a) False (b) True
  34. 34.🔘 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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.True or false: a tilt switch springs back when let go. (a) True (b) False
  38. 38.🔘 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
  39. 39.🔘 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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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

Answer key

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

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