With respect to a collector characteristics curve
A) beta cannot be calculated from the curve
B) only one base current can be represented on a characteristic curve
C) changing base currents have little effect on collector current
D) after (Vce) reaches 0.7 volts collector current is close to it's full value
D
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Which of the following human actions is most apt to result in a long term increase in soil pH?
A) irrigation with high sodium salt-containing waters B) application of NH4- containing fertilizers C) emission of gases from automobiles D) application of farm manure E) application of unlimed sewage sludge
Clean air is composed mostly of
a. oxygen b. nitrogen c. ozone d. argon e. CO2
In order to split one phase into two, split phase motors contain two separate windings. What are they and how are they connected to each other?
What will be an ideal response?
Identify the correct statement shown below.
a. 12-gauge sheet is thinner than 16-gauge sheet b. 24-gauge sheet is thinner than 16-gauge sheet c. 16-gauge sheet is thicker than 8-gauge sheet d. 12-gauge sheet is thicker than 10-gauge sheet