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20 March, 08:52

What is the current density of the solution a/m2

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  1. 20 March, 08:56
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    Current density of solution a/m2 is given below

    Step-by-step explanation:

    Current density is the measure of current generated per unit surface area of electrode.

    Eg: In microbial fuel cell/fuel cells, if you are using electrode with size of 5cm x 2cm and current produced is 200mA, then current density will be,

    CD = Current / (projected area of electrode)

    area of rectangle = LxB = 5cm x 2cm = 10cm2

    CD = 200mA/10cm2

    CD = 20mA/cm2

    Your Current will be 200mA.

    Current density will be 20mA/cm2.
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