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Q:

Comment on the time invariance of the following discrete system: y[n] = x[2n+4].

A) Time invariant B) Time variant
C) Both Time variant and Time invariant D) None of the mentioned
 
Answer & Explanation Answer: B) Time variant

Explanation: A time shift in the input scale gives double the time shift in the output scale, and hence is time variant.

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Category: Electronics & Electrical MCQs
Sub Category: Signals & Systems Mcqs

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