Moderate
Direct conversion of heat into electrical energy is possible through____________?
Correct answer: C. MHD generators
- A. fuel cells
- B. solar cells
- C. MHD generators
- D. none of the above
Explanation
An MHD generator converts the thermal energy of a hot, electrically conducting gas directly into electricity without an intermediate turbine. Fuel cells and solar cells use different direct-conversion principles.
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