How many diodes are required to form a bridge rectifier?
a. One
b. Two
c. Three
d. Four
d. Four
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The triac is a three-terminal bi-directional SCR used for high-power, high-speed switching in ____ applications.
a. AC b. DC c. AC and DC d. full-wave rectification
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Most saddle fitting problems occur at the horse's ____.
A. back B. shoulder C. spring of ribs D. withers
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El término cabeza de cobra normalmente se utiliza para describir un tipo de accesorio de iluminación_____.
a. de camino b. para paredes c. para lugares de paso d. de reflectores
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After screeding, concrete should be further leveled by using a _____
a. drag b. darby c. drift d. dilly
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