Correct Answer : Option (C) : y (t) = x1 (t) * x2 (t)
Explanation : AM radio signal is an example for y (t) = x1 (t) * x2 (t) where, x1 (t) consists of an audio signal plus a dc component and x2 (t) is a sinusoidal signal called carrier wave.
Correct Answer : statistical dependence
Correct Answer : 1 and 3 only
Correct Answer : currents through inductances and voltages across capacitances