(Answered) A storage battery has an emf of 63 volts and an internal

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A storage battery has an emf of 6.3 volts and an internal resistance of 0.01 ohm. it is to be charged for 120 amperes.hours from a 30 volt emf source having a resistance of 0.08 ohm at the rate of 20 amperes.

a. compute for the resistance needed

b. what is the cost of electrical energy used in charging the battery if electricity cost 12.50 Pesos per kilowatt.hour

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