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BARC Quiz 3
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Question 1
For the operational amp circuit shown in the circuit below. Find the values of V0 & It respectively. Assume Vᵧ=0.7V for each diode & op-amp is ideal.
Question 2
The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by
Question 3
Given state diagram represents.
Question 4
For a critically damped system, rise time is defined as:
Question 5
The efficiency of Huffman code is linearly proportional to
Question 6
For an 8 feet (2.4 m) parabolic disk antenna operating at 4 GHz, the minimum distance required for far field measurement is closest to
Question 7
The longest wavelength that can be absorbed by silicon, which has the bandgap of 1.12eV, is 1.1μm. If the longest wavelength that can be absorbed by another material is 0.87μm, then the bandgap of this material is
Question 8
Consider an angle modulation signal x(t)= 10𝑐𝑜s [2𝜋 × 250 + 2 sin(400𝜋𝑡) + 4 cos(400𝜋𝑡)] V. The average power of x(t) is
Question 9
A system has 13 poles and 3 zeros, Its high frequency asymptote in the magnitude plot has a slope of
Question 10
What must be the characterstics impedance of a quarter-wave transformer if it is required to match a 400 load with a 90transmission line to reduce VSWR to 1 Along the line is_____.
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ESE & GATE ECGeneralMar 14ESE & GATE EC