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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 674 · 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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  2. 2.What does a reed switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  7. 7.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  8. 8.🔘 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
  9. 9.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  10. 10.🔘 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
  11. 11.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  12. 12.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) closes when tipped over
  13. 13.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 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
  16. 16.True or false: a toggle switch flips up or down. (a) True (b) False
  17. 17.True or false: a reed switch closes near a magnet. (a) True (b) False
  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.True or false: a toggle switch closes near a magnet. (a) True (b) False
  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 tilt switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  22. 22.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) flips up or down
  23. 23.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) flips up or down
  24. 24.True or false: a push button flips up or down. (a) False (b) True
  25. 25.True or false: a slide switch slides side to side. (a) True (b) False
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a reed switch flips up or down. (a) False (b) True
  30. 30.True or false: a push button works only while pressed. (a) True (b) False
  31. 31.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a slide switch flips up or down. (a) True (b) False
  35. 35.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  39. 39.🔘 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
  40. 40.🔘 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) No (b) Yes

Answer key

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

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