1.

On calculating the strength of current in amperes if a charge of 840 C (coulomb) passes through an electrolyte in 7minutes, it will beA. 1B. 2C. 3D. 4

Answer»

Correct option is: (B) 2

Current = \(\frac {Change (C)}{Time(s)} = \frac {840}{7\times 60(s)} \)

Current = 2A

Correct Answer - B


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