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 ultimate individual unit of magnetism in any magnet is called
  2. When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
  3. The radius of gyration of a solid sphere of radius r about a certain axis is r
  4. A ball is thrown vertically downwards from a height of 20 m with an initially
  5. A person has a minimum distance of distinct vision as 50 cm. The power of lenses