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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 998 · 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 works only while pressed? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  3. 3.🔘 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
  4. 4.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) works only while pressed (d) slides side to side
  5. 5.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) slides side to side
  6. 6.True or false: a toggle switch springs back when let go. (a) False (b) True
  7. 7.True or false: a push button works only while pressed. (a) False (b) True
  8. 8.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  10. 10.🔘 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
  11. 11.True or false: a slide switch slides side to side. (a) False (b) True
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  13. 13.🔘 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 OFF, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  15. 15.🔘 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
  16. 16.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  17. 17.What does a push button do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  18. 18.🔘 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?
  19. 19.True or false: a slide switch flips up or down. (a) False (b) True
  20. 20.🔘 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?
  21. 21.🔘 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?
  22. 22.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.True or false: a toggle switch closes near a magnet. (a) False (b) True
  26. 26.True or false: a push button closes near a magnet. (a) False (b) True
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a reed switch flips up or down. (a) True (b) False
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  31. 31.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  32. 32.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  33. 33.🔘 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
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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?
  36. 36.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  39. 39.🔘 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
  40. 40.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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