A parallel RL circuit has R = 4 ? and L = 1H. The input to the circuit is is(t) = 1.4e^(–t) u(t) A. Find the inductor current i?(t) for all t>0 and assume that i? (0)= –1.4 A.
What will be an ideal response?
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What will be an ideal response?
Technician A says performing brake repair may require special licensing at the state level. Technician B says special federal-level licensing may be required. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Air fills a 2-m-diameter balloon at 20ºC and 5 kPa gage. Additional air is forced into the balloon until it reaches 8 m in diameter at a gage pressure of 8 kPa, while the temperature remains constant. The added mass is nearest:
A) 339 kg B) 301 kg C) 287 kg D) 269 kg
Mencione tres herramientas que se utilizan para la aplicación de aislante de silicato de calcio ("kaylo")
a. Tenazas planas ("nippers"), sierra de dientes gruesos y mazo. b. Tijeras, grapadora y tijeras para cortar hojalata. c. Pistola de calafateo, pistola de soldar y pistola remachadora. d. Pistola atornilladora, herramienta para precintos y pinzas grapadoras.