Answer the following statement(s) true (T) or false (F)
1. When photons are absorbed by a photovoltaic cell, the energy decreases the mobility of electrons in the semiconductor material.
2. The amount of device current in a photovoltaic cell is directly proportional to cell size (surface area) and solar radiation intensity (watts per square meter).
3. An assembly of photovoltaic cells mounted on a panel is called an array.
4. As temperature decreases (gets colder), device voltage increases, and as temperature increases (gets warmer), the voltage decreases.
5. Some of the most common standard test conditions are:
Solar intensity (irradiance) = 1000 watts / square meter
Cell temperature = 25 degrees C
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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What will be an ideal response?
The grease-like substance found on wool fiber is called:
a. Yolk c. Ash b. Mutton grease d. Scourge
The surge of electric current induces a counter electromotive force (CEMF) in the conductor and the plates, which is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Nondestructive examination (NDE) methods are any tests that are used to test equipment and components
_____. a. using chemicals b. without damaging them c. while causing only minor damage d. without touching them