A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.

A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver. If a current of 0.8A is used, find the time (approx) needed for depositing the required weight of silver (ECE of silver is 11.8×10⁻⁷kgC⁻¹)

Options

(a) 5 min 32s
(b) 6 min 37s
(c) 4 min 16 s
(d) 6 min 10 s

Correct Answer:

6 min 37s

Explanation:

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

admin:

Related Questions

  1. A current of 2A flows through a 2Ω resistor when connected across a battery
  2. Penetrating power of X-rays does not depend on
  3. A charged particle of mass m and charge q moves along a circular path of radius
  4. The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
  5. A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2.