Question
Download Solution PDFThe approximate runtime of a battery lamp containing 10 × 0.25 W LED. Running on a 6 v-6 AH is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Energy = Power × time
Energy = voltage × current × time
Calculation:
Energy = 6 × 6 = 36 W-h
Power = 10 × 0.25 = 2.5 W
Time (t) = Energy/Power
\(t = \frac{{36}}{{2.5}} = 14.4\;h \approx 14\;hours\)
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