Engineering, 19.11.2019 18:31 eboniwiley
Aresistor is made out of a long wire having a length l. each end of the wire is attached to a termina of a battery providing a constant voltage v0. a currect i flows through the wire. if the wire were cut in half, making two wires of length l/2, and both wires were attached to the battery (the end of both wires attached to one terminal, and the other ends attached to the other terminal), what would be the total currect flowing through the two wires? a) 4i b) 2i c) i d) i/2 e) i/4
Answers: 1
Engineering, 04.07.2019 18:10
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Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 m°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3
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Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
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Aresistor is made out of a long wire having a length l. each end of the wire is attached to a termin...
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