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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 376 · 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.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  2. 2.True or false: a toggle switch flips up or down. (a) True (b) False
  3. 3.🔘 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?
  4. 4.True or false: a reed switch closes near a magnet. (a) True (b) False
  5. 5.🔘 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
  6. 6.🔘 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
  7. 7.True or false: a slide switch flips up or down. (a) False (b) True
  8. 8.True or false: a tilt switch works only while pressed. (a) True (b) False
  9. 9.True or false: a slide switch slides side to side. (a) False (b) True
  10. 10.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  11. 11.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  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 ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 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
  14. 14.🔘 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
  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) Yes (b) No
  16. 16.True or false: a reed switch works only while pressed. (a) False (b) True
  17. 17.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  19. 19.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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?
  21. 21.🔘 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
  22. 22.What does a tilt switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  23. 23.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (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.🔘 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?
  26. 26.🔘 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?
  27. 27.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) slides side to side
  28. 28.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  30. 30.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  31. 31.What does a push button do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) flips up or down
  32. 32.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  34. 34.True or false: a toggle switch works only while pressed. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  38. 38.True or false: a slide switch springs back when let go. (a) True (b) False
  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) Yes (b) No
  40. 40.🔘 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

Answer key

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

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