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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 255 · 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 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?
  2. 2.What does a slide switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  4. 4.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  6. 6.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.What does a push button do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) works only while pressed
  11. 11.What does a tilt switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) closes when tipped over
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a toggle switch flips up or down. (a) False (b) True
  16. 16.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  17. 17.🔘 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
  18. 18.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  22. 22.True or false: a push button works only while pressed. (a) True (b) False
  23. 23.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) closes when tipped over
  24. 24.True or false: a push button springs back when let go. (a) False (b) True
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  27. 27.🔘 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
  28. 28.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  33. 33.🔘 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
  34. 34.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) works only while pressed
  35. 35.True or false: a tilt switch springs back when let go. (a) False (b) True
  36. 36.🔘 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?
  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 ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a slide switch slides side to side. (a) True (b) False
  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.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) flips up or down

Answer key

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

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