GATE EC 2011 Question Paper (13-Feb-2011) (Shift 2)

If the unit step response of a network is (1 – e${}^{-\alpha t}$), then its unit impulse response will be _______.

The output Y in the following circuit shown below is always 1 when

In the circuit shown below, capacitors $C_1$ and $C_2$ are very large and are shorts at the input frequency. Vᵢ is a small signal input. Then the gain magnitude $\left|\frac{V_0}{V_1}\right|$ at 10 M rad/s is

Drift current in semiconductors depends upon

A zener diode, when used in voltage stabilization circuits, is biased in