List of practice Questions

The power in the signal $s(t) = 8\cos(20\pi t - \pi/2) + 4\sin(15\pi t)$ is

The transfer function of a linear system is the

Convolution of $x(t+5)$ with impulse function $\delta(t-7)$ is equal to

A signal $f(t)$ has energy $E$, the energy of the signal $f(2t)$ is equal to

For a periodic signal $v(t) = 30\sin(100t) + 10\cos(300t) + 6\sin(500t + \pi/4)$, the fundamental frequency in rad/s is