Engineering, 17.10.2019 01:00 wendymtz2004
Consider two copper wires with the same cross-sectional area. wire a is twice as long as wire b. how do the resistivities and resistances of the two wires compare?
check all that apply.
a. wire b has twice the resistance of wire a. wire b has twice the resistivity of wire a.
b. wire a has twice the resistance of wire b. wire a and wire b have the same resistivity.
c. wire a and wire b have the same resistance.
d. wire a has twice the resistivity of wire b.
Answers: 2
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
Answers: 2
Engineering, 06.07.2019 03:20
Aparticle moves along a straight line such that its acceleration is a=(4t^2-2) m/s, where t is in seconds. when t = 0, the particle is located 2 m to the left of the origin, and when t = 2, it is 20 m to the left of the origin. determine the position of the particle when t=4s.
Answers: 1
Engineering, 06.07.2019 03:30
An ammonia compressor has a 5% clearance volume and displacement rate of 80 l/s and pumps against a condensing temperature of 40°c. for two different temperatures of -10°c and 10°c, compute the mass flow rate of refrigerant assuming the clearance volumetric efficiency applies. discharge specific volume corresponding to-10°c and 10°c are 112.5 l/kg and 95 l/kg, respectively.
Answers: 2
Consider two copper wires with the same cross-sectional area. wire a is twice as long as wire b. how...
Mathematics, 03.05.2020 13:44
Health, 03.05.2020 13:44
History, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
History, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
English, 03.05.2020 13:44
Biology, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44