With Negative Feedback the Returning Signal

Answer - C. opposes the input signal

Solution

The detailed solution to the question, with negative feedback on the returning signal provided here. 

When a system, process, or mechanism's output is fed back in a way that seeks to lessen oscillations in the output, whether brought on by changes in the input or other disturbances, this is known as negative feedback (or Degenerative feedback.

Negative feedback typically encourages stability, whereas positive input frequently causes instability through chaotic, oscillatory, or exponential growth. Negative feedback tends to lessen the effects of perturbations and encourage the settling to equilibrium. Negative feedback loops can be extremely steady, accurate, and responsive if the perfect amount of correction is delivered at the ideal time.

Negative feedback opposes or subtracts from the input signals, which has various benefits for control system design and stabilization. For instance, negative feedback modifies the input in a way that negates the modification if the system's output modifies for any reason.

Hence, Option (C) is the correct answer. 

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