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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 532 · 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 tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  2. 2.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  3. 3.🔘 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) Yes (b) No
  4. 4.🔘 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
  5. 5.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) springs back when let go
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  7. 7.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  8. 8.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) flips up or down (d) works only while pressed
  9. 9.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 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?
  12. 12.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  13. 13.True or false: a tilt switch slides side to side. (a) False (b) True
  14. 14.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  15. 15.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) works only while pressed
  16. 16.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  17. 17.🔘 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) Yes (b) No
  18. 18.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  21. 21.🔘 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
  22. 22.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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) Yes (b) No
  24. 24.True or false: a reed switch closes near a magnet. (a) True (b) False
  25. 25.🔘 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?
  26. 26.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 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
  29. 29.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) closes when tipped over
  30. 30.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  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 OFF and C is ON. 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) True (b) False
  34. 34.True or false: a push button stays where you flip it. (a) False (b) True
  35. 35.True or false: a push button closes when tipped over. (a) False (b) True
  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 ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a push button springs back when let go. (a) False (b) True
  39. 39.🔘 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) No (b) Yes
  40. 40.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) closes when tipped over

Answer key

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

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