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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 835 · 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.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  2. 2.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 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?
  5. 5.True or false: a push button works only while pressed. (a) False (b) True
  6. 6.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  9. 9.🔘 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
  10. 10.True or false: a toggle switch closes when tipped over. (a) True (b) False
  11. 11.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  12. 12.True or false: a slide switch flips up or down. (a) True (b) False
  13. 13.True or false: a slide switch slides side to side. (a) True (b) False
  14. 14.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  15. 15.True or false: a push button flips up or down. (a) False (b) True
  16. 16.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  19. 19.🔘 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
  20. 20.What does a reed switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  21. 21.🔘 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?
  22. 22.🔘 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
  23. 23.🔘 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
  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 ON. Does the bulb glow? (a) Yes (b) No
  25. 25.What does a push button do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) springs back when let go
  26. 26.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  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 OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a tilt switch slides side to side. (a) False (b) True
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a reed switch flips up or down. (a) True (b) False
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  33. 33.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  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.🔘 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?
  36. 36.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) flips up or down
  37. 37.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  39. 39.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  40. 40.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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