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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 763 · 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 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 ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 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
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  6. 6.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  10. 10.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 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
  12. 12.True or false: a slide switch flips up or down. (a) True (b) False
  13. 13.🔘 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
  14. 14.True or false: a slide switch slides side to side. (a) False (b) True
  15. 15.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  16. 16.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) only when both are OFF (d) never
  18. 18.What does a slide switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) stays where you flip it
  19. 19.What does a reed switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  20. 20.True or false: a tilt switch slides side to side. (a) False (b) True
  21. 21.🔘 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?
  22. 22.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) works only while pressed
  23. 23.True or false: a toggle switch slides side to side. (a) True (b) False
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.What does a push button do? (a) slides side to side (b) flips up or down (c) springs back when let go (d) closes near a magnet
  27. 27.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a tilt switch works only while pressed. (a) False (b) True
  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 ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  31. 31.🔘 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
  32. 32.🔘 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?
  33. 33.🔘 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
  34. 34.True or false: a tilt switch closes when tipped over. (a) True (b) False
  35. 35.🔘 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
  36. 36.🔘 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) Yes (b) No
  37. 37.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) springs back when let go
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  39. 39.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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