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Exam Questions Papers - Engineering

Q1:

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 E/2n2

B 2E/n2

C E/n2

D 2En2

ANS:A - E/2n2

∴ dt = 2 dV ∴ ∴