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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 918 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  3. 3.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 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
  7. 7.True or false: a slide switch flips up or down. (a) True (b) False
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  9. 9.True or false: a slide switch springs back when let go. (a) False (b) True
  10. 10.🔘 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?
  11. 11.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) open (d) broken
  12. 12.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  13. 13.True or false: a reed switch stays where you flip it. (a) False (b) True
  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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) slides side to side
  16. 16.🔘 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 OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  18. 18.🔘 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) Yes (b) No
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  20. 20.True or false: a push button closes when tipped over. (a) False (b) True
  21. 21.True or false: a tilt switch closes when tipped over. (a) False (b) True
  22. 22.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  23. 23.🔘 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) Yes (b) No
  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) Yes (b) No
  25. 25.True or false: a reed switch closes when tipped over. (a) False (b) True
  26. 26.🔘 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 ON and D is OFF. 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.🔘 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) Yes (b) No
  29. 29.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  30. 30.True or false: a tilt switch closes near a magnet. (a) False (b) True
  31. 31.True or false: a push button works only while pressed. (a) True (b) False
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  33. 33.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  34. 34.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  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 OFF. 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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  39. 39.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  40. 40.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side

Answer key

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

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