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.

admin:

Related Questions

  1. Consider two particles of different masses. In which of the following situations
  2. The equations of motion of a projectile are given by x=36 t metre and 2y=96t-9.8t²
  3. A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity
  4. The displacement of a particle along the x-axis is given by x = a sin² ?t
  5. An electric motor runs on DC source of emf 200 V and draws a current of 10 A.