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