[" 15.Assertion: The connecting wires are made of copper."],[" Reason : The electrical conductivity of copper is high."]

Assertion (A) : The connecting wires are made of copper. Reason (R) : The electrical conductivity of copper is high.

The question given below consist of an assertion (A) and a reason ( R). Use the following key to choose the appropriate answer to these questions from the codes (a), (b), ( c) and (d) given below: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is NOT the correct explanation of A. (c) A is true but R is false. (d) A is false and R is also false. Assertion:The connecting wires are made of copper. Reason:The electrical conductivity of copper is high.

Why connecting wires are made of copper ?

Why conducting wires are made of copper?

Why connecting wires are made up of copper ?

Two wires are made having same length l and area of cross-section A. Wire 1 is made of copper and wire 2 is made of aluminium. It is given that the electrical conductivity of copper is more than that of aluminium. In this context, which one of the following statements is correct?