Applying the mesh analysis method, for the resolution of the following circuit, determine: a) The actual magnitude and direction of the current in each of the loops of the circuit. b) Redraw the circuit and indicate the magnitude and direction of the currents results found. c) The voltage (with polarity) across resistors ?2 and ?3. Note: For your procedure to be valid, you must clearly state the address assumption of the currents according to the indicated mesh numbering (I, II, III), the polarity in each one of the elements, detailed approach and simplification of each of the equations of mesh, the system to be solved as a result of executing the method and those requested in each subsection former.

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Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.