The motor in the figure has a field resistance of RA = 0.03 0 41.67 Q and is running Rp + Rag with la = 120 A. Its initial VF= 250 V EA VA speed is 1103 r/min and supply a constant-torque load. What will the speed of this motor be if VA is reduced to 200 V?

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.