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In an electroplating experiment, m gm of...

In an electroplating experiment, m gm of silver is deposited when 4 ampere of current flows for 2 minute . The amount (in gm ) of silver deposited by 6 ampere of current for 40 second will be

A

4m

B

`(m)/(2)`

C

`(4m)/(3)`

D

3m

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