Question

What should be the minimum speed of wind in a wind electric generator?

• A. 1500 km/h
• B. 150 km/h
• C. 15 km/h
• D. 1.5 km/h

Hint:

Wind turbines typically require wind speeds between 12-15 km/h to start generating electricity efficiently.

Answer 1

The Correct Option is C

Wind turbines require a minimum wind speed of around 12-15 km/h to start generating electricity efficiently. This speed ensures that the blades rotate and produce sufficient energy. Thus, the correct answer is \( \mathbf{(C) \text{15 km/h}} \).