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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 302 · 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 one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  2. 2.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  3. 3.🔘 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) Yes (b) No
  4. 4.🔘 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) Yes (b) No
  5. 5.True or false: a toggle switch flips up or down. (a) False (b) True
  6. 6.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) flips up or down (d) slides side to side
  9. 9.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  10. 10.🔘 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
  11. 11.🔘 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?
  12. 12.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) works only while pressed (d) flips up or down
  13. 13.True or false: a push button stays where you flip it. (a) False (b) True
  14. 14.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) works only while pressed
  15. 15.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  18. 18.🔘 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) No (b) Yes
  19. 19.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) works only while pressed
  21. 21.True or false: a tilt switch closes when tipped over. (a) True (b) False
  22. 22.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  23. 23.True or false: a reed switch slides side to side. (a) True (b) False
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  25. 25.🔘 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
  26. 26.True or false: a toggle switch stays where you flip it. (a) False (b) True
  27. 27.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  28. 28.True or false: a push button works only while pressed. (a) True (b) False
  29. 29.🔘 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
  30. 30.True or false: a reed switch closes near a magnet. (a) False (b) True
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  33. 33.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  34. 34.🔘 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?
  35. 35.True or false: a reed switch springs back when let go. (a) False (b) True
  36. 36.🔘 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
  37. 37.🔘 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
  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.What does a push button do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  40. 40.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch

Answer key

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

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