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. The position vector of a particle R as a function of time is given by
  2. A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane
  3. A L-C-R circuit with L=1.00 mH, C=10μF and R=50Ω, is driven with 5 V AC voltage.
  4. For the action of a common Base (CB) transistor, (E=emitter, B= base, C= collector)
  5. A wire of resistance 4 ohm is stretched to twice its original length.