Germanium and ____ are the most common semiconductor materials used in the electronics field.
A. gold
B. silver
C. silicon
D. iron
Answer: C
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La distancia máxima a la que se debe sujetar un cable tipo NM de una caja de empalme es de _____.
a. 6 pulgadas (15,24 cm) b. 8 pulgadas (20,32 cm) c. 12 pulgadas (30,48 cm) d. 16 pulgadas (40,64 cm)
Like LTE, in 5G , the cell barring information is in SIB1.
a. true b. false
Refrigerants absorb heat:
A) By converting heat energy into additional refrigerant molecules. B) By rearranging their molecular structure to form a new compound. C) By evaporating from a liquid to a vapor. D) By condensing from a vapor to a liquid.
If the "+" lead on an ohmmeter is connected to a diode's anode and the "-" lead on the ohmmeter is connected to the diode's cathode, the measured resistance is normally ________
A) 0 ? B) very low C) 140 k? D) very high