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Physical parameters change due to ________

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in Electrical Measurements by (148k points)
Physical parameters change due to ________

(a) voltage

(b) current

(c) internal and external disturbances

(d) power

The question was asked in a job interview.

My doubt is from Process Control System topic in portion Transducers of Electrical Measurements

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Correct choice is (c) internal and external disturbances

To explain I would say: The physical parameters such as temperature, pressure, flow rate, force, etc in a process control system are affected due to both internal and external disturbances. As a result, constant corrective action is required to keep them at a constant value.

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