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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 232 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  2. 2.True or false: a tilt switch slides side to side. (a) True (b) False
  3. 3.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 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?
  6. 6.True or false: a slide switch closes near a magnet. (a) True (b) False
  7. 7.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  8. 8.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt 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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.True or false: a slide switch slides side to side. (a) False (b) True
  12. 12.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  13. 13.🔘 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
  14. 14.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a tilt switch springs back when let go. (a) False (b) True
  16. 16.🔘 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
  17. 17.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  18. 18.True or false: a reed switch works only while pressed. (a) True (b) False
  19. 19.🔘 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?
  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.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  22. 22.True or false: a push button works only while pressed. (a) False (b) True
  23. 23.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  24. 24.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  25. 25.True or false: a toggle switch slides side to side. (a) False (b) True
  26. 26.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  28. 28.🔘 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) Yes (b) No
  29. 29.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.True or false: a tilt 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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  36. 36.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a toggle switch flips up or down. (a) True (b) False
  38. 38.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  39. 39.🔘 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?
  40. 40.🔘 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

Answer key

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

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