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Change is signal over long period of time is called _______

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Change is signal over long period of time is called _______

(a) noise

(b) offset

(c) hysteresis

(d) drift

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The correct choice is (d) drift

Explanation: Drift indicated a change of base line or of sensitivity with time, temperature etc. Drift is basically the change in a signal over long period of time. Noise is the unwanted signal at the output due either to internal sources or to interference. Offset is the output that will exist when it should be zero.

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