Electricity and circuits

Which of these is a part of an electric cell?

• Metal covering

• Zinc metal flat disc

• plastic tip

• all of these

Function of filament -

• When on, heats up and glows

• Most important in bulb

• Gives off light

• All of the above

Which of the following methods can be used to make a bulb glow at times?

• A switch can be used

• filament can be changed

• A cell can be connected

• wires can be changed

which of these connections are suitable for a bulb to glow?

• a

• b

• c

• d

which of these an open circuit?

• A circuit in which wires are not connected

• a circuit in which the wire is broken

• A circuit in which the wire is not connected to cell or switch

• A circuit in which the bulb glows

2 bulbs were places in a stand. One bulb glowed but not the other. Which of these methods could be a possible way to make it glow?

• By connecting a switch

• By connecting a wire

• By connecting a

  Cell

• By turning ON

Why is the bulb not glowing in the arrangement?

• The filament is fused

• The bulb broke

• The switch is OFF

• Cell is not there

Four wires are there. Wire 1 can make a bulb glow while other 3 cannot. Which of these metals are suitable for wire 1?

• Silver

• Copper

• Iron

• Glass

Energy in cell

• Chemical

• Electrical

• solar

• power

Name this

• Plastic wire

• Wire with copper

• a and b

• none