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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 765 · 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.True or false: a slide switch slides side to side. (a) False (b) True
  2. 2.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  3. 3.True or false: a reed switch closes near a magnet. (a) False (b) True
  4. 4.🔘 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?
  5. 5.🔘 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
  6. 6.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  7. 7.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes when tipped over (d) flips up or down
  8. 8.True or false: a push button flips up or down. (a) False (b) True
  9. 9.True or false: a push button springs back when let go. (a) True (b) False
  10. 10.True or false: a toggle switch works only while pressed. (a) True (b) False
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  13. 13.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  14. 14.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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?
  19. 19.True or false: a tilt switch flips up or down. (a) True (b) False
  20. 20.🔘 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
  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.True or false: a slide switch flips up or down. (a) True (b) False
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  24. 24.🔘 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) No (b) Yes
  25. 25.True or false: a toggle switch stays where you flip it. (a) True (b) False
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  27. 27.🔘 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
  28. 28.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  29. 29.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  31. 31.True or false: a push button stays where you flip it. (a) True (b) False
  32. 32.🔘 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
  33. 33.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  34. 34.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  35. 35.🔘 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
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  38. 38.🔘 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?
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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