Direct Energy, 2018a

290 12.6 Problems
12.6. Match the device with its denition.
1. A device which converts electromagnetic
(often optical) energydirectlyto electricity
2. A device made from diodes of two
dissimilar materials which converts a
temperature dierential to electricity
3. A device which converts chemical energy
to electrical energythrough the oxidation of
a fuel
4. A device which converts mechanical stress
directlyto electricity
5. A device made from a crystal without a
center of symmetry which converts a
temperature dierential to electricity
A.
Fuel Cell
B.
Photovoltaic
Device
C.
Piezoelectric
Device
D.
Pyroelectric
Device
E. Thermoelectric
Device