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Match List I (Time Function) with List II (Fourier Spectrum/Fourier Transform) and select the correct answer using the code given below the Lists:
List I
A. Periodic Function
B. A periodic Function
C. Unit Impulse δ(t)
D. sin ω(t)List II
1. Continuous spectrum at all frequencies
2. δ(ω)
3. Line discrete spectrum
4. 1
b. A→3, B→1, C→4, D→2
c. A→4, B→1, C→3, D→2
d. A→3, B→2, C→4, D→1
asked in Electronics Paper-1, 2005
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