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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 728 · 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.🔘 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
  2. 2.What does a push button do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  3. 3.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  4. 4.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.What does a reed switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes near a magnet
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  7. 7.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) flips up or down
  8. 8.🔘 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?
  9. 9.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  10. 10.🔘 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
  11. 11.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  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 OFF, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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?
  16. 16.True or false: a toggle switch closes when tipped over. (a) True (b) False
  17. 17.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  18. 18.True or false: a toggle switch stays where you flip it. (a) True (b) False
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  20. 20.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  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.True or false: a slide switch flips up or down. (a) True (b) False
  26. 26.True or false: a push button works only while pressed. (a) False (b) True
  27. 27.True or false: a toggle switch flips up or down. (a) False (b) True
  28. 28.🔘 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
  29. 29.🔘 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 ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a reed switch closes when tipped over. (a) False (b) True
  31. 31.True or false: a reed switch closes near a magnet. (a) True (b) False
  32. 32.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) flips up or down
  33. 33.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  34. 34.🔘 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?
  35. 35.🔘 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
  36. 36.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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?
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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