A. Draw an op-amp circuit that will act as a comparator. Labelthe reference node, the input voltages and the output voltage.
B. Draw an op-amp circuit with an output voltage that is theintegral of an input voltage over time. Label the reference node,the input voltage and the output voltage.
C. Explain what happens when a current-carrying wire movesthrough a static magnetic field. INCLUDE A DETAILED SKETCH.
D. Give a brief explanation of how a DC armature-controlledmotor works. INCLUDE A SKETCH.
E. Explain the difference between a field-controlled motor andan armature-controlled motor. Include a simple diagram of a motorelectrical system.
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