If the amplitude $$\left| {{\rm A}\left( \omega \right)} \right| = 0.25$$, then the frequency $$\omega $$ is

The equivalent resistance in the infinite ladder network shown in the figure, is$${R_e}$$

The value of $${R_e}/R$$ is _______________

The magnitude of current (in mA) through the resistor R₂ in the figure shown is _____.

In the circuit shown in the figure, the value of V₀(t) (in Volts) for $$t\rightarrow\infty$$ is ______.