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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 671 · 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 switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  2. 2.🔘 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) No (b) Yes
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  4. 4.🔘 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
  5. 5.🔘 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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  7. 7.🔘 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
  8. 8.What does a reed switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  9. 9.What does a push button do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) slides side to side
  10. 10.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  11. 11.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  12. 12.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) flips up or down
  13. 13.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  14. 14.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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?
  18. 18.🔘 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) Yes (b) No
  19. 19.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a tilt switch slides side to side. (a) True (b) False
  22. 22.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  23. 23.🔘 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
  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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  26. 26.🔘 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) Yes (b) No
  27. 27.True or false: a push button works only while pressed. (a) True (b) False
  28. 28.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.True or false: a tilt switch closes when tipped over. (a) True (b) False
  30. 30.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  31. 31.True or false: a slide switch slides side to side. (a) True (b) False
  32. 32.What does a slide switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) flips up or down
  33. 33.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  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 ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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) Yes (b) No
  38. 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
  39. 39.🔘 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?
  40. 40.🔘 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?

Answer key

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

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