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A small household lighting system is powered from a nominally 8 V (i.e. 4 cells at 2 V) storage battery having a 30 Ah supply

A small household lighting system is powered from a nominally 8 V (i.e. 4 cells at 2 V) storage battery having a 30 Ah supply when charged. The lighting is used for 4.0 h each night at 3.0 A.

Design a suitable photo-voltaic power system that will charge the battery from an arrangement of Si solar cells.

(a) How will you arrange the cells?

(b) How will the circuit be connected?

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