Does the resistivity of a material depend on length
Does the resistivity of a material depend on its length or cross-sectional area? Does the resistance depend on the lenghtr or cross-sectional areas? Explain.
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A gas turbine burns natural gas (assume methane) where the air is supplied to the combustor at 1000 kpa, 500 K, and the fuel is at 298K and 1000 kpa.
A new drug is being tested for its effecctiveness to treat a certain type of infection. It was effective for 125 cases out of 175. Give a point estimate for the rate of effectiveness of the new drug for treating this type of infection and also com
A hydrogen gas in a piston/cylinder assembly at 280K, 100 kPa with a volume of 0.1 m^3 is now compressed to a volume of 0.01 m^3 in a reversible adiabatic process. Find the new temperature, in K, and how much work is required, in kJ/kg.
The electric potential at a position located a distance of 18.9 mm from a positive point charge of 6.80x10-9C and 13.3 mm from a second point charge is 1.26kV. Calculate the value of the second charge.
The shovel's dimensions are: a=53.0 mm, b= 212mm., c= 318mm., d=106mm., e= 371mm. Find the reaction force at E.
What is the magnitude of the impulse applied to the projectile by its weight from t = 0 s to 3 s? GIVEN: Mass of projectile= 20 kg initial velocity = 20 m/s @ θ=60 magnitude of velocity = 15.5 m/s @ t=3 sec
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