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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 88 · 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.True or false: a toggle switch closes near a magnet. (a) True (b) False
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  3. 3.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  4. 4.True or false: a slide switch springs back when let go. (a) True (b) False
  5. 5.🔘 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) No (b) Yes
  6. 6.True or false: a tilt switch flips up or down. (a) False (b) True
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  8. 8.🔘 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?
  9. 9.🔘 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?
  10. 10.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  11. 11.🔘 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
  12. 12.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  13. 13.🔘 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?
  14. 14.What does a slide switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  15. 15.True or false: a toggle switch stays where you flip it. (a) True (b) False
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  18. 18.🔘 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
  19. 19.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  20. 20.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) works only while pressed (d) slides side to side
  22. 22.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  23. 23.🔘 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
  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 tilt switch closes when tipped over. (a) False (b) True
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  28. 28.🔘 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
  29. 29.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  30. 30.True or false: a slide switch stays where you flip it. (a) False (b) True
  31. 31.🔘 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?
  32. 32.What does a tilt switch do? (a) closes near a magnet (b) stays where you flip it (c) springs back when let go (d) closes when tipped over
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.True or false: a slide switch works only while pressed. (a) True (b) False
  37. 37.True or false: a push button flips up or down. (a) True (b) False
  38. 38.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  39. 39.True or false: a tilt switch closes near a magnet. (a) True (b) False
  40. 40.🔘 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) Yes (b) No

Answer key

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

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