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Silver and copper voltmeters are connect...

Silver and copper voltmeters are connected in parallel with a battery of emf 12 V. In 30 min 1 g of silver and 1.8 g of copper are liberated. The energy supplied by the battry is

A

24.13J/sec

B

2.413J/sec

C

0.2413J/sec

D

2413J/sec

Text Solution

Verified by Experts

`i_("silver")=(1)/(11.2xx10^(-4)xx1 800)` amp
`=0.49approx0.5` amp
` i_("copper")=(1.8)/(6.6xx10^(-4)xx1800)` amp
total current +(approx)=2amp
power =vi=24(approx)
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