Thermo-couple convert ------ into electrical energy
Correct answer: A. Heat energy
- A. Heat energy
- B. Nuclear energy
- C. Mechanical energy
- D. Chemical energy
Explanation
The question is about the type of energy converted into electrical energy by a thermocouple. Thermocouples convert heat energy directly into electrical energy through the Seebeck effect, enabling them to measure temperature differences.
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Steady current relates charge flow to potential difference, resistance and resistivity, including how temperature changes a conductor's resistance. Sources with internal resistance have terminal voltage below their emf when delivering current, and maximum power output occurs under a specific load condition rather than at zero resistance.
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