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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 459 · 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 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?
  2. 2.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  3. 3.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) stays where you flip it
  4. 4.🔘 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
  5. 5.True or false: a toggle switch flips up or down. (a) False (b) True
  6. 6.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  7. 7.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  8. 8.🔘 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
  9. 9.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  11. 11.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  12. 12.🔘 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) Yes (b) No
  13. 13.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) flips up or down
  14. 14.True or false: a toggle switch stays where you flip it. (a) True (b) False
  15. 15.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  16. 16.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  17. 17.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  18. 18.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  19. 19.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  20. 20.🔘 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) never (d) only when both are OFF
  21. 21.🔘 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) No (b) Yes
  22. 22.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  23. 23.True or false: a toggle switch works only while pressed. (a) False (b) True
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.🔘 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?
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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?
  29. 29.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  30. 30.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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?
  32. 32.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  34. 34.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  35. 35.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  36. 36.True or false: a push button springs back when let go. (a) True (b) False
  37. 37.🔘 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
  38. 38.True or false: a push button works only while pressed. (a) False (b) True
  39. 39.True or false: a tilt switch flips up or down. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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