Virtual Labs

a:

\frac{4}{\pi}

Explanation

b:

\frac{2}{\pi}

Explanation

c:

\frac{1}{\pi}

Explanation

d:

2

Explanation

a: 20 terms are sufficient Explanation

Explanation

b: 50 terms give perfect reconstruction Explanation

Explanation

c: Infinite terms theoretically Explanation

Explanation

d: Depends on the signal frequency Explanation

Explanation

a: They are perfectly periodic Explanation

Explanation

b: They are quasi-periodic Explanation

Explanation

c: They are aperiodic Explanation

Explanation

d: They have constant frequency Explanation

Explanation

Periodic Signals