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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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