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. A series R-C circuit is connected to an alternating voltage source. Consider two
  2. A block of mass 4 kg is kept on a rough horizontal surface.The coefficient of static
  3. The difference in the variation of resistance with temperature in a metal
  4. Length of a string tied to two rigid supports is 40 cm. Maximum length
  5. λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe