Masses of three wires of copper are in the ratio of 1:3:5 and their lengths

Masses of three wires of copper are in the ratio of 1:3:5 and their lengths are in the ratio of 5:3:1. The ratio of their electrical resistances is

Options

(a) (1:3:5)
(b) (5:3:1)
(c) (1:15:125)
(d) (125:15:1)

Correct Answer:

(125:15:1)

Explanation:

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

admin:

Related Questions

  1. The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
  2. The potential difference applied to an X-ray tube is 5 kV and the current through it
  3. A common emitter amplifier is designed with n-p-n transistor (α=0.99).
  4. If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
  5. When the wavelength of sound changes from 1 m to 1.01 m,