Time Left - 18:00 mins
BARC Full Syllabus Test 25
Attempt now to get your rank among 243 students!
Question 1
If a vector
is given by,
![](https://gradeup-question-images.grdp.co/liveData/PROJ43680/1581919073451128.png)
Then the value of is
Question 2
A message signal shown in below figure is applied to the AM modulator with modulation index 62%. If m(t) is a periodic signal then the modulation efficiency is
![](https://gradeup-question-images.grdp.co/liveData/PROJ7736/1504867764974937.jpg)
![](https://gradeup-question-images.grdp.co/liveData/PROJ7736/1504867764974937.jpg)
Question 3
Which of the following introduces mode partition noise?
Question 4
At room temperature, a silicon photodetector can’t be used to detect which of the following wavelength
Question 5
A coil of inductance 2 H and resistance
is connected to a 10 V battery with negligible internal resistance. The amount of energy stored in the magnetic field is
![](https://gradeup-question-images.grdp.co/livegs/1464352121590/1464352194632743.png)
Question 6
Consider the following RC circuit. The capacitor has an initial charge q0 such that it opposes the flow of charging current:
The response of the circuit i(t) will be
![](https://gradeup-question-images.grdp.co/liveData/PROJ25847/1548932754019763.jpg)
The response of the circuit i(t) will be
Question 7
A bandwidth of 10 kHz is required for AM system. If the lowest frequency component in the modulated signal is 555 kHz, carrier frequency in kHz is
Question 8
Express switching function f(ABC)= B'+C' in terms of min term.
Question 9
A unity Feedback control system has an open-loop transfer function
.
The gain K for which s = -1 + j1 will lie on the root locus of this system is:
![](https://gs-question-images.grdp.co/1453105606218121.png)
The gain K for which s = -1 + j1 will lie on the root locus of this system is:
Question 10
In the circuit, the silicon diode D1, having a voltage drop of 0.7 V is forward bias. A Zener diode D2 has a breakdown voltage of 6.8 V. From the options given below, select the right option that shows current flowing through 450 Ω resistor.
![](https://gradeup-question-images.grdp.co/liveData/PROJ4670/1497684391422411.jpg)
Question 11
What would be the bandwidth of the output signal of SSB-AM (USB) modulator illustrated below when the bandwidth of the baseband message signal is 3 kHz and c(t) = 2sin(200 * 103 πt).
![](https://gs-question-images.grdp.co/1446125448680256.png)
Question 12
Laplace transform of the signal x(t) is
If the ROC is Re[s] < –2, then the inverse Laplace transform of the signal x(s) is.
Question 13
Continuous Time Fourier transform does not exist for
Question 14
Input of matched filter is
![](https://gradeup-question-images.grdp.co/liveData/PROJ55495/1605698031063158.png)
Peak amplitude of filter output.
Question 15
A reflex klystron is oscillating at 10GHZ when operated in
mode, find the transit time of the electron in repeller space in nano seconds (ns).
![](https://gradeup-question-images.grdp.co/liveData/PROJ21886/153866056582460.png)
- 243 attempts
- 0 upvotes
- 0 comments
Tags :
ESE & GATE ECGeneralSep 20ESE & GATE EC