Navigate

The electric resistance of a certain wire of iron is R. If its length and radius

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

Options

(a) The resistance will be doubled and the specific resistance will be halved
(b) The resistance will be halved and the specific resistance will remain unchanged
(c) The resistance will be halved and the specific resistance will be doubled
(d) The resistance and the specific resistance both will remain unchanged

Correct Answer:

The resistance will be halved and the specific resistance will remain unchanged

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

CAPE2004
admin:

Related Questions

  1. The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
  2. A liquid wets a solid completely. The meniscus of the liquid in a sufficiently long
  3. A plank with a box on it at one end is gradually raised about the other end.
  4. The electric field in a certain region is acting radially outward and is given by E=Ar.
  5. A ball moving with velocity 2 m/s collides head on with another stationary ball