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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 195 · 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 closes when tipped over? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  2. 2.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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?
  4. 4.True or false: a toggle switch slides side to side. (a) True (b) False
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 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
  7. 7.True or false: a toggle switch closes when tipped over. (a) False (b) True
  8. 8.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  9. 9.🔘 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?
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 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) Yes (b) No
  12. 12.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  14. 14.True or false: a toggle switch stays where you flip it. (a) True (b) False
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  16. 16.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  17. 17.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  18. 18.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  20. 20.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  21. 21.True or false: a toggle switch works only while pressed. (a) True (b) False
  22. 22.True or false: a toggle switch flips up or down. (a) False (b) True
  23. 23.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) closes when tipped over
  24. 24.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a slide switch stays where you flip it. (a) True (b) False
  27. 27.🔘 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) Yes (b) No
  28. 28.True or false: a slide switch closes when tipped over. (a) True (b) False
  29. 29.🔘 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
  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.🔘 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
  32. 32.🔘 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?
  33. 33.True or false: a push button works only while pressed. (a) False (b) True
  34. 34.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  35. 35.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  36. 36.🔘 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 ON. 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 OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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?
  39. 39.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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) Yes (b) No

Answer key

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

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