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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 202 · 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.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  2. 2.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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
  4. 4.🔘 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
  5. 5.True or false: a tilt switch springs back when let go. (a) True (b) False
  6. 6.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) closes near a magnet
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  8. 8.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  9. 9.🔘 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?
  10. 10.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  11. 11.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) flips up or down
  12. 12.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  13. 13.🔘 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
  14. 14.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  16. 16.True or false: a push button springs back when let go. (a) False (b) True
  17. 17.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  18. 18.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  19. 19.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) flips up or down
  20. 20.True or false: a push button closes when tipped over. (a) True (b) False
  21. 21.🔘 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?
  22. 22.True or false: a push button stays where you flip it. (a) False (b) True
  23. 23.🔘 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
  24. 24.🔘 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?
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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
  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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a reed switch stays where you flip it. (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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  31. 31.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) slides side to side
  32. 32.True or false: a toggle switch stays where you flip it. (a) False (b) True
  33. 33.True or false: a reed switch works only while pressed. (a) True (b) False
  34. 34.🔘 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
  35. 35.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  36. 36.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) slides side to side
  37. 37.🔘 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?
  38. 38.🔘 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) Yes (b) No
  39. 39.True or false: a toggle switch flips up or down. (a) False (b) True
  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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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