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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 578 · 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 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) Yes (b) No
  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 OFF. 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.🔘 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?
  5. 5.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  8. 8.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) closes near a magnet
  9. 9.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  10. 10.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 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?
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  15. 15.True or false: a toggle switch flips up or down. (a) False (b) True
  16. 16.What does a push button do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) closes when tipped over
  17. 17.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) works only while pressed
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  19. 19.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  20. 20.🔘 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
  21. 21.What does a slide switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) flips up or down
  22. 22.🔘 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
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 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
  25. 25.True or false: a slide switch flips up or down. (a) True (b) False
  26. 26.🔘 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
  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 ON. Does the bulb glow? (a) Yes (b) No
  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 OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.True or false: a slide switch slides side to side. (a) True (b) False
  30. 30.🔘 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) Yes (b) No
  31. 31.True or false: a reed switch stays where you flip it. (a) True (b) False
  32. 32.🔘 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?
  33. 33.True or false: a toggle switch closes near a magnet. (a) True (b) False
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  37. 37.True or false: a slide switch springs back when let go. (a) False (b) True
  38. 38.🔘 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
  39. 39.True or false: a slide switch stays where you flip it. (a) True (b) False
  40. 40.🔘 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) No (b) Yes

Answer key

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

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