Electricity and its Circuit

Which part of the bulb is an insulator?

• R

• Q

• P

• S

What is wrong in this table?

• Wool

• Brass

• Steel

• Graphite

The tiny coiled metal wire present inside the bulb is called ___ .

• Uranium

• Titanium

• Tungsten

• Zinc

Soobin connected three bulbs with the cells and a switch as shown. When switch is moved to ON position.

• The bulbs Z and X will glow first

• All the bulbs will glow simultaneously.

• The bulb Y will not at all glow

• The bulb X will glow first

"Do not handle electric wires with your bare hands. Do not wear rubber gloves, either" said Mr Kim. Which of the following statements is wrong about what Mr. Kim commented?

• Do not wear gloves nor handle electric wires.

• 'Do not wear rubber gloves'

• You will get electrocuted if you handle electric wires

• Handling electric wires is absolutely fine.

Which of the following is not a part of an electric cell?

• Carbon Electrode

• Manganese Dioxide

• Anode [ Zinc Casing ]

• Ammonium Nitrate

What does the symbol of skull and cross bones refer to?

Shaina wanted to glow a torch bulb using a cell. She could not buy connecting wires; instead, she got two strips of aluminium foil. Will she succeed?

• No

• Yes

• Maybe

• None of the above

A bulb has :

• One filament and two terminals

• One filament and four terminals

• Two filaments and two terminals

• One filament and one terminal

A battery consists of :

• a combination of cells in which cells are joined (+) to (-)

• a combination of cells in which cells are joined (+) to (+)

• None of the above

• a single cell a combination of cells in which cells are joined (+) to (+)