Methods Of Producing EMF Flashcards
What does a basic battery consist of?
Two dissimilar electrolytes and a metal post.
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How does a fuel cell work?
c) It harnesses the chemical reaction of combustion.
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A battery can be a:
b) Constant voltage device.
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In a thermocouple circuit what determines the magnitude of the voltage generated and the polarity?
It is a function of the temperature difference between the junctions and of the thermal properties of the metals used in the circuit.
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A thermocouple circuit generates a measurable, low voltage output that is approximately _the temperature difference between the hot junction and the cold junction.
a) A square root of
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The science behind piezoelectricity is the interaction between Coulomb forces and the elastic forces in a unit cell when subjected to a:
a) Mechanical force.
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Where does the piezoelectric effect occur?
d) Only in non-conductive materials.
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