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A series battery by 6 lead accumulators ...

A series battery by 6 lead accumulators each of emf 2.0V and intenal resistance `0.5Omega` is charged by a 20V d.c. supply, What series resistance should be used in the charging, circuit in order to limit the current to 1A. Calculate the power sullpied by the source and the fraction of energy stored in the battery.

Text Solution

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The correct Answer is:
`5Omega,20W,0.6`
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A series battery of 6 lead accumulators each of emf 2.0V and internal resistance 0.50Omega is charged by a 10V d.c. supply. What series resistance should the used in the charging circuits in order to limit the current to 8.0A? Using the required resistor, obtain (a) the power supplied by the d.c. source (b) the power supplied by the d.c. energy stored in the battery in 15min.

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Knowledge Check

  • A battery of emf 8 V with internal resistance 0.5Omega is being charged by a 120 V dc supply using a series resistance of 15.5Omega . The terminal voltage of the battery is

    A
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    B
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    C
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    D
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  • A battery of EMF 10 V, with internal resistance 1 Omega is being charged by a 120 V d.c. supply using a series resistance of 10 Omega . The terminal voltage of the battery is

    A
    20 V
    B
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    C
    Zero
    D
    30 V

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