Find copper losses when motor is operating rated conditions
A 25-hp 240-V 77.8-A shunt motor has an armature resstence of 0.083 Ohm's and a field-circuit resistance of 125 Ohm's. Calculate the copper losses when the motor is operating ar rated conditions.
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Determine the temperatures of surface 1 through 4 of the furnace cavity of example 13.3 if the entire furnace experiences a uniform heat flux corresponding to a total power of 1522 W.
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After drawing a neat and clear schematic of the geometry with appropriate conditions. Determine the heat transfer to the tank during the process.
Crown Cinema recently increased the price of a movie ticket by 5%. As a result, attendance dropped by 8%. Based on this information, what is the price elasticity of demand for movie tickets at Crown?
An electron has a kinetic energy of 2.80 x 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 5.30 x 10-5 T. Determine the radius of the path? (answer in meters)
The field-circuit resistance and armature-circuit resistance of a 10-hp 115-V motor are 90 Ohm's and 0.08 Ohm's, respectively.
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The current in the coil had to be set to 0.512 A to set the electron beam exactly straight. If each coil has 62 turns and has a mean radius of 66.0 cm, calculate the component of the earth magnetic field perpendicular to the entering electron beam.
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