ESE Prelims 2022 Achievers Quiz 22

A carrier signal c(t) = 2 cos(2π×10⁶t)V and a message signal m(t) = 2cos(2000 πt)V are applied to a phase modulator whose phase sensitivity is K_p = 1.5 rad/V. The modulation index of the resultant phase modulated signal will be

The length and impedance of a quarter wave transformer that will match a load of 150Ω to a lossless transmission line of characteristic impedance 75Ω at a frequency of 12GHz respectively will be

The addressing mode which makes use of in-direction pointers is ______

In a binary digital communication system, bit 0 occurs with probability of , bit 1 occurs with probability of , bit 0 represented with –1mV, bit-1 represented with +1 mV. Find bit energy (J), if bit has a duration of .

Two causal finite length sequences are given following.

{y[n]} = {6,11, –13,16,1,9,2,8}

{h[n)} = {2,5, –1,4}

If y[n] = h[n) * x[n], then sequence x[n] is

Considering a clamper circuit, where capacitance C, load R, the cut-in voltage of diode are unknown.
Which is the correct statement?

Assuming that the opamp in the circuit shown below is ideal, the output voltage V₀ (in volts) is______

The materials in which atoms are chemically highly inactive and they do not form compound with other atom is