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Q.

[106]

Is it true that copper and aluminium wires are usually employed in electricity transmission?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is True.
The current carrying material must adapt to a high power supply to transmit the electricity. Therefore, it has a high melting and boiling point, and the resistivity of materials should be very low to reduce the loss of electric transmission. Materials such as aluminium and copper have low resistivity and are suitable for electric transmission. The large-scale transport of electrical energy from generating power plants to electrical substations is known as electric power transmission. High voltages transfer electricity long distances, reducing the amount of electricity lost.
  
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