Discussion :: Exam Questions Paper
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e-2t is __________ .
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A.
energy signal
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B.
power signal
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C.
neither energy signal nor power signal
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D.
both energy and power signal
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Answer : Option C
Explanation :
E = 
e-4tdt
which is infinity
Power of the signal
This is of ∞/∞ form, we make use of L' hospital rule
e-2t is neither an energy signal nor a power signal.
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