Advertisements
Advertisements
प्रश्न
The property/properties which enable copper metal to be used for making electric wires is/are :
पर्याय
copper metal is malleable and ductile
copper metal is a good conductor of electricity
copper metal is ductile and has low electrical resistance
copper metal is sonorous and an excellent conductor of electricity
Advertisements
उत्तर
copper metal is ductile and has low electrical resistance
Copper is a good conductor of electricity. It means that it offers very low electric resistance. Also, it is highly ductile due to which it can be drawn into very thin wires.
APPEARS IN
संबंधित प्रश्न
The inter-molecular space is maximum in
Name the terms for the change of a solid into liquid.
When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of potassium permanganate and water?
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
One of the following does not show Tyndall effect. This one is :
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
How is scrap iron separated from a heap of waste materials in factories?
How is cream separated from milk ?
Explain the meaning of the term matter with special reference to the term ‘substance’.
Explain the meaning of the term ‘matter’.
Wipe the board with a duster and then tap the duster against the table. What do you see?
Solid is an arrangement of particles ______.
The physical state of water at 373 K is ______.
Gases do not diffuse very easily.
Give an example of liquid in gas.
