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     EduGorilla 
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    Silver and copper voltameters 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 battery is
    (Electrochemical equivalent of silver = 11.2 x 10-4 g/C and electrochemical equivalent of copper = 6.6 x 10-4 g/C)

    Options :-

    1. 720 J
    2. 2.41 J
    3. 24.12 J
    4. 4.34 x 104 J
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