a. Calculate the rated armature current of this motor. What a. Calculate the rated armature current of this motor. What is the corresponding mechanical tor

a. Calculate the rated armature current of this motor. What a. Calculate the rated armature current of this motor. What is the corresponding mechanical tor

Figure shows in schematic form an electrostatic voltmeter, a capacitive system consisting of a fixed electrode and a moveable electrode. The moveable electrode is connected to a vane which rotates on a pivot such that the air gap between the two electrodes remains fixed as the vane rotates. The capacitance of this system is given by A torsional spring is connected to the moveable vane, producing a torque T spring = – K (? – ?0)
a. For 0 < ?=””>< a=”” or=”” using=”” the=”” results=”” of=”” problem=”” 3.19,=”” derive=”” an=”” expression=”” for=”” the=”” electromagnetic=”” torque=”” tfld=”” in=”” terms=”” of=”” the=”” applied=”” voltage=””>
b. Find an expression for the angular position of the moveable vane as a function of the applied voltage Vdc.
c. For a system with R = 12 cm, d = 4 cm, g = 0.2 mm, a = p/3 rad, ?0 = 0 rad , K = 3.65N.m/rad
Plot the vane position in degrees as a function of applied voltage for 0 < vdc=””>< 1500=””>

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