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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 337 · 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 closes near a magnet? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  2. 2.🔘 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) No (b) Yes
  3. 3.🔘 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
  4. 4.True or false: a slide switch slides side to side. (a) True (b) False
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  6. 6.True or false: a slide switch flips up or down. (a) True (b) False
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  8. 8.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  9. 9.🔘 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 OFF (d) only when both are ON
  10. 10.True or false: a slide switch closes near a magnet. (a) True (b) False
  11. 11.🔘 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
  12. 12.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  13. 13.True or false: a tilt switch closes when tipped over. (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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.True or false: a tilt switch slides side to side. (a) True (b) False
  16. 16.🔘 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?
  17. 17.🔘 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
  18. 18.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  20. 20.True or false: a toggle switch works only while pressed. (a) False (b) True
  21. 21.🔘 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?
  22. 22.True or false: a toggle switch flips up or down. (a) False (b) True
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  25. 25.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) slides side to side
  26. 26.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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
  30. 30.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) works only while pressed
  31. 31.What does a slide switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes when tipped over
  32. 32.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  33. 33.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.What does a reed switch do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) works only while pressed
  35. 35.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  39. 39.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a reed switch closes near a magnet. (a) False (b) True

Answer key

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

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