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.True or false: a reed switch closes near a magnet. (a) True (b) False
- 2.What does a slide switch do? (a) slides side to side (b) flips up or down (c) stays where you flip it (d) closes near a magnet
- 3.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
- 4.True or false: a tilt switch springs back when let go. (a) False (b) True
- 5.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) closes near a magnet (d) works only while pressed
- 6.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
- 7.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) slides side to side
- 8.🔘 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
- 9.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
- 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
- 11.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
- 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
- 13.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
- 14.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
- 15.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
- 16.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
- 17.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
- 18.🔘 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?
- 19.What does a push button do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) flips up or down
- 20.True or false: a push button springs back when let go. (a) True (b) False
- 21.True or false: a toggle switch flips up or down. (a) False (b) True
- 22.🔘 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?
- 23.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
- 24.🔘 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?
- 25.True or false: a toggle switch stays where you flip it. (a) False (b) True
- 26.True or false: a slide switch works only while pressed. (a) True (b) False
- 27.🔘 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
- 28.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) springs back when let go
- 29.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
- 30.True or false: a toggle switch closes near a magnet. (a) True (b) False
- 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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
- 32.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
- 33.True or false: a tilt switch flips up or down. (a) False (b) True
- 34.🔘 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
- 35.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
- 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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
- 37.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
- 38.🔘 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?
- 39.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
- 40.🔘 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
Answer key
- True
- slides side to side
- a reed switch
- False
- closes when tipped over
- a push button
- springs back when let go
- No
- a tilt switch
- when either is ON
- a toggle switch
- No
- closes near a magnet
- opens or closes the loop
- No
- a slide switch
- a push button
- 4
- works only while pressed
- True
- True
- 2
- a toggle switch
- 1
- True
- False
- No
- flips up or down
- No
- False
- Yes
- No
- False
- Yes
- Yes
- Yes
- closed
- 1
- stays where you flip it
- Yes
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