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Kuldeep Mukherjee Grade: 12
        a series of six lead accumulators,each of emf 2.0 V and internal resistance 0.50 ohm is charged by a 100 V dc supply.

(a) What series resistance should be used in the charging circuit in order to limit the current to 8.0Ampere?
(b) using the required resistance,obtain: (i) the power supplied by dc source,
(ii)the power dissipated as heat,and
(iii) the energy stored in the battery in 15 min.
6 years ago
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