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A high-voltage transmission line with a resistance of0.310 Ω/km carries a current of 970. A, starting at 660.kV for a distance of 162 km.
a) Compute the power loss due to resistance in the line.
b) Compute the fraction (percent) of the transmitted power that this loss represents.
Equipotentials between two parallel lines with a floating circular electrode: I dont need to know the exact potentials, What should be the potential inside the electrode
A wire is stretched between two posts. Another wire is stretched between two posts that are four times as far apart. The tension in the wires is the equal, and they have the same mass.
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A transformer on a pole near a factory steps the voltage down from3600 V (rms) to 120 V (rms). The transformer is to deliver1600 kW to the factory at 92% efficiency.
An object with total mass mtotal = 16.7 kg is sitting at rest when it explodes into three pieces. Calculate the increase in kinetic energy of the pieces during the explosion
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A firefighter mounts the nozzle of his fire hose a distance 30.5 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. By what factor was the nozzle diameter changed
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