Q4.A system is described by the following differential equation, where u(t) is the input to the system and y(t) is the output of the system
y(t) + 5y(t) = u(t)
when y(t) = 1 and u(t) is a unit step function, y(t) is
Answer : Option AExplaination / Solution:
Given the differential equation of the system
Q6.Let X be a real-valued random variable with E[X] and E[X2] denoting the
mean values of X and X2 , respectively. The relation which always holds true is
Answer : Option BExplaination / Solution: No Explaination.