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841

GATE Electrical 2015 Set 1 | Question: 42
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$ ... $[a]$ and $[r]$ are false. $[a]$ is false and $[r]$ is true.

Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$.Assertion: Fast decoupled load flow method gives approximate load flow soluti...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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842

GATE Electrical 2013 | Question: 34
A dielectric slab with $500$ mm $\times 500$ mm cross-section is $0.4\:m$ long. The slab is subjected to a uniform electric field of $\textbf{E}=6 \textbf{a}_x+8 \textbf{a}_y\: KV/mm$. The relative permittivity of the dielectric material is equal to $2$ ... The energy stored in the dielectric in Joules is $8.85 \times10^{-11}$ $8.85 \times 10^{-15}$ $88.5$ $885$

A dielectric slab with $500$ mm $\times 500$ mm cross-section is $0.4\:m$ long. The slab is subjected to a uniform electric field of $\textbf{E}=6 \textbf{a}_x+8 \textbf{...

piyag476

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piyag476 asked Feb 11, 2017

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843

GATE Electrical 2013 | Question: 35
A matrix has eigenvalues $-1$ and $-2$. The corresponding eigenvectors are $\begin{bmatrix} 1\\-1 \end{bmatrix}$ and $\begin{bmatrix} 1\\-2 \end{bmatrix}$ respectibely. The matrix is $\begin{bmatrix} 1 & 1\\ -1 & -2 \end{bmatrix} \\$ ... $\begin{bmatrix} 0& 1\\ -2 & 3 \end{bmatrix}$

A matrix has eigenvalues $–1$ and $–2$. The corresponding eigenvectors are $\begin{bmatrix} 1\\-1 \end{bmatrix}$ and $\begin{bmatrix} 1\\-2 \end{bmatrix}$ respectibel...

piyag476

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piyag476 asked Feb 11, 2017

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844

GATE Electrical 2013 | Question: 48
In the figure shown below, the chopper feeds a resistive load from a battery source. $MOSFET\: Q $ is switched at $250 kHz$ with a $\text{duty ratio}$ of $0.4$. All elements of the circuit are assumed to be ideal. The average source current in Amps in steady-state is $3/2$ $5/3$ $5/2$ $15/4$

In the figure shown below, the chopper feeds a resistive load from a battery source. $MOSFET\: Q $ is switched at $250 kHz$ with a $\text{duty ratio}$ of $0.4$. All eleme...

piyag476

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piyag476 asked Feb 11, 2017

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845

GATE Electrical 2014 Set 2 | Question: 17
The closed loop transfer function of a system is $T(s)=\dfrac{4}{s^2+0.4S+4}$ The steady state error due to unit step input is __________.

The closed loop transfer function of a system is $T(s)=\dfrac{4}{s^2+0.4S+4}$ The steady state error due to unit step input is __________.

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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846

GATE Electrical 2014 Set 1 | GA Question: 10
When a point inside of a tetrahedron (a solid with four triangular surfaces) is connected by straight lines to its corners, how many (new) internal planes are created with these lines _____________

When a point inside of a tetrahedron (a solid with four triangular surfaces) is connected by straight lines to its corners, how many (new) internal planes are created wit...

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makhdoom ghaya asked Feb 11, 2017

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847

GATE Electrical 2015 Set 1 | Question: 34
A $3$-phase $50$ Hz square wave ($6$-step) VSI feeds a $3$-phase, $4$ pole induction motor. The VSI line voltage has a dominant $5^{th}$ harmonic component. If the operating slip of the motor with respect to fundamental component voltage is $0.04$, the slip of the motor with respect to $5^{th}$ harmonic component of voltage is _________.

A $3$-phase $50$ Hz square wave ($6$-step) VSI feeds a $3$-phase, $4$ pole induction motor. The VSI line voltage has a dominant $5^{th}$ harmonic component. If the operat...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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848

GATE Electrical 2014 Set 2 | Question: 35
A $10$ $kHz$ even-symmetric square wave is passed through a bandpass filter with centre frequency at $30$ $kHz$ and $3$ $dB$ passband of $6$ $kHz$. The filter output is a highly attenuated square wave at $10$ $kHz$. nearly zero. a nearly perfect cosine wave at $30$ $kHz$ a nearly perfect sine wave at $30$ $kHz$.

A $10$ $kHz$ even-symmetric square wave is passed through a bandpass filter with centre frequency at $30$ $kHz$ and $3$ $dB$ passband of $6$ $kHz$. The filter output isa ...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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849

GATE Electrical 2014 Set 3 | Question: 9
A signal is represented by $x(t)=\begin{cases} 1 & \mid t \mid<1 \\ 0 & \mid t \mid >1 \end{cases}$ The Fourier transform of the convolved signal $y(t)$= $x(2t)*x(t/2)$ ... $\dfrac{4}{\omega ^2} \sin(2\omega ) \\$ $\dfrac{4}{\omega ^2} \sin^2\omega $

A signal is represented by $$x(t)=\begin{cases} 1 & \mid t \mid<1 \\ 0 & \mid t \mid >1 \end{cases}$$ The Fourier transform of the convolved signal $y(t)$= $x(2t)*x(t/2)...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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850

GATE Electrical 2014 Set 2 | Question: 23
The sinusoidal ac source in the figure has an rms value of $\dfrac{20}{\sqrt{2}}V$ . Considering all possible values of $R_L$, the minimum value of $R_S$ in $\Omega$ to avoid burnout of the Zener diode is _________.

The sinusoidal ac source in the figure has an rms value of $\dfrac{20}{\sqrt{2}}V$ . Considering all possible values of $R_L$, the minimum value of $R_S$ in $\Omega$ to a...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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851

GATE Electrical 2015 Set 2 | Question: 16
The synchronous generator shown in the figure is supplying active power to an infinite bus via two short, lossless transmission lines, and is initially in steady state. The mechanical power input to the generator and the voltage magnitude $E$ are ... . Which one of the following waveforms of the rotor angle $\delta$ shows the transient correctly?

The synchronous generator shown in the figure is supplying active power to an infinite bus via two short, lossless transmission lines, and is initially in steady state. T...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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852

GATE Electrical 2013 | Question: 25
The equation$\begin{bmatrix} 2&-2 \\ 1& -1 \end{bmatrix}\begin{bmatrix} x_1\\ x_2 \end{bmatrix}=\begin{bmatrix} 0\\0 \end{bmatrix}$ has no solution only one solution $\begin{bmatrix} x1\\x2 \end{bmatrix}=\begin{bmatrix} 0\\0 \end{bmatrix}$ non-zero unique solution multiple solutions

The equation$\begin{bmatrix} 2&-2 \\ 1& -1 \end{bmatrix}\begin{bmatrix} x_1\\ x_2 \end{bmatrix}=\begin{bmatrix} 0\\0 \end{bmatrix}$ hasno solutiononly one solution $\begi...

piyag476

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piyag476 asked Feb 11, 2017

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853

GATE Electrical 2014 Set 2 | Question: 45
For the transfer function $G(s)=\dfrac{5(s+2)}{s(s+0.25)(s^2+4s+25)}$ The values of the constant gain term and the highest corner frequency of the Bode plot respectively are $3.2$ , $5.0$ $16.0$ , $4.0$ $3.2$ , $4.0$ $16.0$ , $5.0$

For the transfer function $$G(s)=\dfrac{5(s+2)}{s(s+0.25)(s^2+4s+25)}$$ The values of the constant gain term and the highest corner frequency of the Bode plot respectivel...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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854

GATE Electrical 2014 Set 2 | Question: 48
Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give full-scale deflection with $150$ $mA$ and $250$ $mA$ respectively. The ranges have been extended by connecting shunts so as to give ... in a circuit in which the total current flowing is $15$ $A$. The current in amperes indicated in ammeter $X$ is __________.

Two ammeters $X$ and $Y$ have resistances of $1.2$ $Ω$ and $1.5$ $Ω$ respectively and they give full-scale deflection with $150$ $mA$ and $250$ $mA$ respectively. The r...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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855

GATE Electrical 2014 Set 1 | Question: 9
$x(t)$ is nonzero only for $T_x<t<{T}'x$ , and similarly, $y(t)$ is non zero only for $T_y<t<{T}'y$. Let $z(t)$ be convolution of $x(t)$ and $y(t).$ Which one of the following statements is TRUE? $z(t)$ can be nonzero ... $T_x+T_y<t<{T}'_x+{T}'_y$ $z(t)$ is nonzero for $t>{T}'_x+{T}'_y$

$x(t)$ is nonzero only for $T_x<t<{T}'x$ , and similarly, $y(t)$ is non zero only for $T_y<t<{T}'y$. Let $z(t)$ be convolution of $x(t)$ and $y(t).$ Which one of the fol...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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856

GATE Electrical 2014 Set 1 | GA Question: 2
Choose the most appropriate word from the options given below to complete the following sentence. He could not understand the judges awarding her the first prize, because he thought that her performance was quite __________. superb medium mediocre exhilarating

Choose the most appropriate word from the options given below to complete the following sentence.He could not understand the judges awarding her the first prize, because ...

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makhdoom ghaya asked Feb 11, 2017

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857

GATE Electrical 2014 Set 1 | GA Question: 8
Round-trip tickets to a tourist destination are eligible for a discount of $10\%$ on the total fare. In addition, groups of $4$ or more get a discount of $5\%$ on the total fare. If the one way single person fare is $Rs\:100$, a group of $5$ tourists purchasing round-trip tickets will be charged $Rs$ _________.

Round-trip tickets to a tourist destination are eligible for a discount of $10\%$ on the total fare. In addition, groups of $4$ or more get a discount of $5\%$ on the tot...

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017

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858

GATE Electrical 2014 Set 3 | Question: 2
A particle, starting from origin at $t=0 \: s$, is traveling along $x$-axis with velocity $V=\dfrac{\pi }{2}\cos \bigg(\dfrac{\pi }{2}t \bigg) \: m/s$ At $t = 3 \: s$, the difference between the distance covered by the particle and the magnitude of displacement from the origin is _________.

A particle, starting from origin at $t=0 \: s$, is traveling along $x$-axis with velocity $$V=\dfrac{\pi }{2}\cos \bigg(\dfrac{\pi }{2}t \bigg) \: m/s$$ At $t = 3 \: s$, ...

makhdoom ghaya

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859

GATE Electrical 2014 Set 1 | Question: 35
Let $f(t)$ be continuous time signal and let $F(w)$be its Fourier Transform defined by $F(\omega )=\displaystyle{}\int_{-\infty }^{\infty }f(t)e^{-j\omega t} dt$ define $g(t)$ ... $f(t)$ only if $f(t)$ is a sinusoidal function. $g(t)$ would never be proportional to $f(t)$.

Let $f(t)$ be continuous time signal and let $F(w)$be its Fourier Transform defined by $F(\omega )=\displaystyle{}\int_{-\infty }^{\infty }f(t...

makhdoom ghaya

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860

GATE Electrical 2015 Set 2 | Question: 19
The current $i$ (in Ampere) in the $2 \Omega$ resistor of the given network is ________.

The current $i$ (in Ampere) in the $2 \Omega$ resistor of the given network is ________.

makhdoom ghaya

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makhdoom ghaya asked Feb 11, 2017