Multiple choice question VII — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. To work properly, wind-electric generators need wind speeds of at least about

\(1.5\ \frac{km}{hr}\)
\(15\ \frac{km}{hr}\)
\(150\ \frac{km}{hr}\)
\(1500\ \frac{km}{hr}\)

2. Geothermal energy is feasible in regions that

are near the sea
have thermal plants
have coal mines
are over hot spots in the crust

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