The resistivity of a wire made of an alloy is generally:
(A) Lower than that of its constituent metals.
(B) Higher than that of its constituent metals.
(C) Decreases with increase in its area of cross-section.
(D) Increases with increase in its length.
Correct Answer : Option (B) Higher than that of its constituent metals.
More Questions : In the human eye, most of the refraction for the light rays entering the eye occurs at the surface of:
Watch Full Solution CBSE Class 10 Science Answer Key : Click Here