Which of these can be used as a switching relay?
A) Heavy-duty relay B) Motor starter C) Contactor D) Light-duty relay
D
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La resistencia total de cuatro resistores en paralelo con valores de 3, 5, 20 y 50 ohmios es de _____ ohmios.
a. 1,66 b. 2,54 c. 22 d. 78
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In a cell, the nucleus is surrounded by the ____________________
Fill in the blank(s) with the appropriate word(s).
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Natural resources are all those things that have not been created by human and can perform any ____ function
A) useful B) profitable C) ?inconsequential D) ?idle
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Analog signals from sensors are changed to digital signals for processing by the computer through which type of circuit?
A) Analog-to-digital converter B) Analog C) PROM D) Digital
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