Question

A wire of resistance 6.4 ? is connected to a battery whose emf ? is 4.0...

A wire of resistance 6.4 ? is connected to a battery whose emf ? is 4.0 V and whose internal resistance is 0.43 ?. In 2.6 min, how much energy is (a) transferred from chemical to electrical form in the battery, (b) dissipated as thermal energy in the wire, and (c) dissipated as thermal energy in the battery?

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Answer #1

a) Using electrical power relation, energy is

b) Dissipation of thermal energy in the wire:

c) Dissipation of thermal energy in battery:

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