A home inverter is supplied by a battery bank

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

A home inverter is supplied by a

48\,\text{V},\;200\,\text{Ah}

battery bank. The inverter has an efficiency of

80\%

. If the connected household load is

400\,\text{W}

, approximately how long (in hours) can the inverter run before the batteries are fully discharged? (a)

24\,\text{h}

(b)

15\,\text{h}

(c)

19\,\text{h}

(d)

12\,\text{h}