Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Energy and Environment

What is the required solar panel area for photovoltaic cells with efficiency of 20% and incident solar radiation of 400 W/m2 to run an electric geyser of 2 kW?

1
2.5 m2
2
25 m2
3
37.5 m2
4
0.25 m2
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