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electronics and communication engineering exam question papers
1. If a signal f(t/2) has energy is E/n then energy of the signal f(nt) is equal to __________ (n is constant)
(A): 2E/n2
(B): 2En2
(C): E/2n2
(D): E/n2
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By: guest on 02 Jun 2017 12.55 am
∴ dt = 2 dV ∴ ∴
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