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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 776 · 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.🔘 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) No (b) Yes
  2. 2.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  3. 3.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  4. 4.🔘 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?
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  6. 6.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  9. 9.🔘 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?
  10. 10.🔘 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
  11. 11.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  12. 12.True or false: a push button works only while pressed. (a) True (b) False
  13. 13.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  14. 14.🔘 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
  15. 15.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  16. 16.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  17. 17.What does a push button do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  19. 19.🔘 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) No (b) Yes
  20. 20.True or false: a toggle switch closes near a magnet. (a) True (b) False
  21. 21.🔘 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
  22. 22.True or false: a reed switch flips up or down. (a) True (b) False
  23. 23.🔘 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
  24. 24.🔘 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?
  25. 25.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a push button closes when tipped over. (a) False (b) True
  27. 27.🔘 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?
  28. 28.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) works only while pressed
  29. 29.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  30. 30.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.True or false: a push button springs back when let go. (a) False (b) True
  33. 33.🔘 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) No (b) Yes
  34. 34.True or false: a slide switch flips up or down. (a) True (b) False
  35. 35.True or false: a toggle switch stays where you flip it. (a) False (b) True
  36. 36.True or false: a toggle switch closes when tipped over. (a) True (b) False
  37. 37.True or false: a tilt switch closes when tipped over. (a) True (b) False
  38. 38.🔘 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?
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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

Answer key

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

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