ESE 2021 Technical Quiz || Full Revision Mock Test-7
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The transmission parameter A for the circuit is
Magnetic properties of ferrites result mainly from
The bandgap of silicon at 300 K is
The amplifier circuit shown below uses a silicon transistor. The capacitors CC and CE can be assumed to be short at signal frequency and the effect of output resistance r0 can be ignored. If CE is disconnected from the circuit, which one of the following statements is TRUE?
The Z11 for the network given below is
In the figure shown below, the output waveform of the circuit can be represented as
An ideal n- channel MOSFET has parameter A/V2, VT=0.7 V and tox=0.4 nm. It is found by measurement that it is operating in saturation region. The power dissipated in the MOSFET is 36 mW and VDS=6V. the aspect ratio for the MOSFET when VGS =5 V is
Find the discrete-Time Fourier Transform (DTFT) of the following signal? x(n) = an where n ≥ 0, -1 < a < 1.
What are poles and zeroes of system having following transfer function? H(z) =
The value of the determinantis
A radio channel has bandwidth of 10 kHz and an S/N ratio of 15 dB. The maximum data rate that can be transmitted is
The transfer function Y(s)/R(s) of the system shown is
The function f(t) has the Fourier transform . The fourier transform of g(t) is
For an AM signal, the bandwidth is 20 kHz and the highest frequency component present is 800 kHz. The carrier frequency used for this AM signal is.
If a counter having 10 FFs is initially at 0, what count will if hold after 2060 Pulses
The It R= 1/3 convolution encoder defined by transfer functions H1(z)=1+z-1 H2(z)=1+z-2 H3(z)=1+z-1+z-2is
The power contained in single sideband in amplitude modulation is
In a JK flip-flop we have J = Q’ and K = 1. Assuming that the flip-flop was initially cleared and clocked for 6 pulses, the sequence at the Q output will be
Intrinsic impedance of free space is given as
A steel pipe is constructed of a material for which r=200 and =5x106 mho/m. The outer and inner radii are 8 and 6 mm respectively and the length is 80m. If the total current carried by the pipe is 2cos104t A, Then the skin depth will be