Electronics Worksheet: Switches in a Circuit
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.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
- 2.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
- 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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
- 4.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) closes near a magnet
- 5.🔘 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
- 6.🔘 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
- 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
- 8.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) stays where you flip it
- 9.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
- 10.🔘 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
- 11.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) slides side to side (d) stays where you flip it
- 12.🔘 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
- 13.What does a slide switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
- 14.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
- 15.🔘 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?
- 16.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
- 17.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
- 18.🔘 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
- 19.True or false: a toggle switch flips up or down. (a) False (b) True
- 20.True or false: a reed switch flips up or down. (a) True (b) False
- 21.🔘 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) No (b) Yes
- 22.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
- 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.True or false: a push button works only while pressed. (a) True (b) False
- 25.🔘 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
- 26.🔘 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
- 27.🔘 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
- 28.🔘 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
- 29.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
- 30.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
- 31.🔘 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) No (b) Yes
- 32.True or false: a tilt switch closes when tipped over. (a) False (b) True
- 33.True or false: a slide switch works only while pressed. (a) True (b) False
- 34.True or false: a toggle switch closes near a magnet. (a) False (b) True
- 35.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
- 36.🔘 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
- 37.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
- 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
- 39.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
- 40.True or false: a slide switch slides side to side. (a) True (b) False
Answer key
- a tilt switch
- a slide switch
- No
- springs back when let go
- No
- No
- when either is ON
- works only while pressed
- a toggle switch
- No
- closes near a magnet
- No
- slides side to side
- when both are ON
- 1
- closes when tipped over
- No
- Yes
- True
- False
- Yes
- Yes
- Yes
- True
- Yes
- No
- No
- No
- Yes
- opens or closes the loop
- Yes
- True
- False
- False
- closed
- No
- a push button
- True
- Yes
- True
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