Assertion and Reason - Copper Wires
CMAT 2019 · Logical Reasoning · Easy · Assertion and Reason
For the Assertion A and Reason R given below choose the correct alternative from the following: A : Copper is used to make electric wire. R : Copper has very low electric resistance.
- A.
A is true, R is false
- B.
A is false, R is true
- C.
Both A and R are true and R is not the correct explanation of A
- D.
Both A and R are true and R is the correct explanation of A
Answer
D
Explanation
Copper has low electrical resistance, making it an excellent conductor, which is why it is used to make electrical wires. Thus, R correctly explains A.
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