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# Ask an Electronics & Communication(GATE Coaching classes) Question

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Poonam 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

The return loss of a device is found to be 20dB. What is the value of voltage standing ratio (VSWR) and magnitude of reflection coefficient?

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Ritu 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the output of Fourier transform if g(t) = e(power t), and h(t) is a filter matched to g(t). If g(t) is applied as input to h(t)?

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Sushmita 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the probability of P(3V > 2U), if U and V be two independent zero mean Gaussian random variables of variances 1/4 and 1/9 respectively?

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Pinaki 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

Two magnetically uncoupled inductive coils have Q factors q1 and q2 at the chosen operating frequency. Their respective resistance are R1 and R2. Then what is the value of effective Q factor at the same operating frequency when connected in series?

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Franziska 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the value of the step response at t = 2 when the impulse response time system is given by h(t) = a(t - 1) + b(t - 3)?

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Mallikarjun 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the standard equation of Laplace transform?

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Sagar 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

Consider two identically distributed zero mean random variables U and V. Let the cumulative distribution functions of U and 2V be F(x) and G(x) respectively. Then what is the required equation for all value of x?

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Poonam 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

A system described by a linear, constant coefficient, ordinary, first order differential equation has an exact solution given by y(t) for t > 0, when the forcing function is x(t) and the initial condition is y(0). If one wishes to modify the system so that the solution becomes -2y(t) for t > 0, when the forcing function is x(t) and the initial condition...  more»
A system described by a linear, constant coefficient, ordinary, first order differential equation has an exact solution given by y(t) for t > 0, when the forcing function is x(t) and the initial condition is y(0). If one wishes to modify the system so that the solution becomes -2y(t) for t > 0, when the forcing function is x(t) and the initial condition is y(0).If one wishes to modify the system so that the solution becomes -2y(t) for t > 0, then what we need to do? «less

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Nandini 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

Find the sum of n terms of the series 10 + 84 + 734 +.......?

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Saju 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the opposite sign of the set of values of p for which the roots of the equation 3(square of x) + 2(x) + p(p - 1) = 0?

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Pradeep 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

A continuous time sinusoid of frequency 33 Hz is multiplied with a periodic Dirac impulse train of frequency 46 Hz. The resulting signal is passed through an ideal analog low pass filter with a cutoff frequency of 23 Hz. The fundamental frequency (in Hz) of the output is________?

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Taj 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the property of MOSFET?

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Jhansi 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the difference between MOSFET and FET?

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Baiju 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

The amplitude of a sinusoidal y a single to obtain the amplitude modulated signal s(t) = 5 cost + 20 cos 1800t + 5 cos 200t. The value of the modulation index is_______?

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Franziska 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What are the methods to avoid noise in the signal?

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Yatheesh 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

Define Nyquist plot?

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Pinaki 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

An antenna pointing in a certain direction has a noise temperature of 50 K. The ambient temperature is 290 K. The antenna is connected to a pre amplifier that has a noise figure of 2 dB and an available gain of 40 dB over an effective bandwidth of 12 MHz. What is the effective input noise temperature (Te) for the amplifier and the noise power P (ao)...  more»
An antenna pointing in a certain direction has a noise temperature of 50 K. The ambient temperature is 290 K. The antenna is connected to a pre amplifier that has a noise figure of 2 dB and an available gain of 40 dB over an effective bandwidth of 12 MHz. What is the effective input noise temperature (Te) for the amplifier and the noise power P (ao) at the output of the pre - amplifier? «less

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Yamini 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

Humpty and Dumpty sits on a wall every day while having lunch. The wall sometimes breaks. A person sitting on the wall falls if the wall breaks. Which one of the statements below is logically valid and can be inferred from the above sentences?

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Raje 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

What is the polar plot of the transfer function: G(s) = 10 (s +1) / s + 10 for 0 < x < infinite?

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Rakesh 19/11/2016 in  Electronics & Communication(GATE Coaching classes)

The electric field intensity of a plane wave traveling in free space is given by the following expression: E (x, t) = ay * 24 pie [cos (t - k0 x )] V / m.
In this field, consider a square area 10 cm x 10 cm on a plane x + y = 1. The total time - averaged power (in mW) passing through the square area is ______ ?

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Ansuman Tripathy 16/11/2016 in  Electronics & Communication(GATE Coaching classes)

In the picture given below what is the output voltage(Vo) if a silicon transistor Q and an ideal op-amp are used?

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Ansuman Tripathy 16/11/2016 in  Electronics & Communication(GATE Coaching classes)

In the picture given below what is the output voltage(Vo) if a silicon transistor Q and an ideal op-amp are used?

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Ansuman Tripathy 16/11/2016 in  Electronics & Communication(GATE Coaching classes)

#new_question#In the picture given below what is the output voltage(Vo) if a silicon transistor Q and an ideal op-amp are used?

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Hemanth 16/08/2016 in  Electronics & Communication(GATE Coaching classes), Computer Science & Information Technology;(GATE Coaching classes)

Mayank Tyagi replied | 12/09/2016

Yes you can write the paper in CSE Branch but PSU wont consider you for recruitment purpose. you can apply for higher studies at IIT's and NIT's as well as some international universities also consider GATE score for Admissions like NUS (National university of Singapore)

Akshaya replied | 15/09/2016

Why do you want to attempt GATE CSE Paper. If you want to enter Software industry, learn coding, prepare for interviews and directly join a company, instead of spending 2 years doing Masters, and then going for job? Will save you time, money and energy.

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Vishwas 28/05/2016 in  Electronics & Communication(GATE Coaching classes)

When I should I start preparing fr gate and ies?

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