First slide

Faraday's Laws

Question

The current strength required to displace 0.1 g. of H₂ in 10 sec is

Moderate

A

9.65 amp
B

1.988 amp
C

198 amp
D

965 amp

Solution

$96500C = 1gm\,{H_2}$
$0.1gm\,\,{H_2} = 0.1 \times 96500 = 9650C$
$i\left( {amp} \right) = \frac{{Coulomb}}{{time}} = \frac{{9650}}{{10}} = 965$

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