Conventional method of energy extracted is:
Correct answer: D. Biomass power
- A. Hydro power
- B. Wind power
- C. Tidal power
- D. Biomass power
Explanation
In some contexts "conventional" refers to long‑established methods; biomass has been used historically as a traditional energy source, so it is considered conventional relative to modern renewables like wind or tidal.
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About Work and Energy
Work transfers energy when a force causes displacement, while kinetic energy, gravitational potential energy and power describe motion, position and the rate of energy transfer. The work-energy theorem links net work with change in kinetic energy, and efficiency accounts for energy losses rather than treating them as energy destruction.
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