Assertion:- Copper wires are used for electricity transmission in our houses but outside our houses, aluminium wires are used for electricity transmission.
Reason:- Aluminium is inexpensive and lighter than copper.
Assertion:- True
Reason:- True
Reason is the correct explanation of assertion
Aluminium is preferred for electricity transmission outside our houses because aluminium is much lighter as compared to copper. If copper was used then twice the number of electric poles are required to support these wires which in turn raise the cost.
Moreover, aluminium metal is inexpensive than copper. Hence, aluminium wires are preferred over copper wires. Hence, both the assertion and reason hold TRUE and the reason is the correct explanation of assertion.
Aluminium wires are not used for electricity transmission inside the houses because aluminium is less flexible than copper which makes it more harder to install and it is not available in smaller stranded options like copper.
Hence, copper wires are preferred over aluminium wires.