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1161

GATE Electrical 2016 Set 1 | Question: 45
The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turn-ON transition are shown in figure. The energy dissipated during the turn-ON transition, in $mJ$, is _______.

The voltage $(v_{s})$ across and the current $(i_{s})$ through a semiconductor switch during a turn-ON transition are shown in figure. The energy dissipated during the tu...

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makhdoom ghaya asked Jan 29, 2017

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1162

GATE Electrical 2016 Set 1 | Question: 5
The value of the integral $\oint _{c}\dfrac{2z+5}{\left ( z-\dfrac{1}{2} \right ) \left (z^{2} -4z+5 \right )}dz$ over the contour $\mid z \mid=1$, taken in the anti-clockwise direction, would be $\dfrac{24 \pi i}{13} \\$ $\dfrac{48 \pi i}{13} \\$ $\dfrac{24}{13} \\$ $\dfrac{12}{13}$

The value of the integral$$\oint _{c}\dfrac{2z+5}{\left ( z-\dfrac{1}{2} \right ) \left (z^{2} -4z+5 \right )}dz$$over the contour $\mid z \mid=1$, taken in the anti-cloc...

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makhdoom ghaya asked Jan 29, 2017

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1163

GATE Electrical 2016 Set 1 | Question: 17
In the portion of a circuit shown, if the heat generated in $5 \Omega$ resistance is $10$ calories per second, then heat generated by the $4 \Omega$ resistance, in calories per second, is ________.

In the portion of a circuit shown, if the heat generated in $5 \Omega$ resistance is $10$ calories per second, then heat generated by the $4 \Omega$ resistance, in calori...

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makhdoom ghaya asked Jan 29, 2017

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1164

GATE Electrical 2016 Set 1 | Question: 49
A single-phase, $22 kVA, 2200 V/ 220 V, 50 Hz$, distribution transformer is to be connected as an auto-transformer to get an output voltage of $2420 V$. Its maximum $kVA$ rating as an autotransformer is $22$ $24.2$ $242$ $2420$

A single-phase, $22 kVA, 2200 V/ 220 V, 50 Hz$, distribution transformer is to be connected as an auto-transformer to get an output voltage of $2420 V$. Its maximum $kVA$...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1165

GATE Electrical 2016 Set 1 | Question: 36
The current state $Q_{A} Q_{B}$ of a two $JK$ flip-flop system is $00$. Assume that the clock rise-time is much smaller than the delay of the $JK$ flip-flop. The next state of the system is $00$ $01$ $11$ $10$

The current state $Q_{A} Q_{B}$ of a two $JK$ flip-flop system is $00$. Assume that the clock rise-time is much smaller than the delay of the $JK$ flip-flop. The next sta...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1166

GATE Electrical 2016 Set 2 | Question: 44
A single-phase, $2$ kVA, $100/200$ V transformer is reconnected as an auto-transformer such that its $kVA$ rating is maximum. The new rating, in $kVA$, is ______.

A single-phase, $2$ kVA, $100/200$ V transformer is reconnected as an auto-transformer such that its $kVA$ rating is maximum. The new rating, in $kVA$, is ______.

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1167

GATE Electrical 2016 Set 2 | Question: 45
A full-bridge converter supplying an $RLE$ load is shown in figure. The firing angle of the bridge converter is $120$°. The supply voltage $v_{m}(t) =200\pi \sin (100\pi t) V, R=20\Omega, E=800 V$. The inductor $L$ is large ... output current $I_{L}$ a smooth dc current. Switches are lossless. The real power fed back to the source, in $kW$, is _________.

A full-bridge converter supplying an $RLE$ load is shown in figure. The firing angle of the bridge converter is $120$°. The supply voltage $v_{m}(t) =200\pi \sin (100\pi...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1168

GATE Electrical 2016 Set 2 | Question: 19
A three-phase diode bridge rectifier is feeding a constant $DC$ current of $100 A$ to a highly inductive load. If three-phase, $415 V, 50 Hz AC$ source is supplying to this bridge rectifier then the rms value of the current in each diode, in ampere, is ___________.

A three-phase diode bridge rectifier is feeding a constant $DC$ current of $100 A$ to a highly inductive load. If three-phase, $415 V, 50 Hz AC$ source is supplying to th...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1169

GATE Electrical 2016 Set 1 | Question: 43
A single-phase thyristor-bridge rectifier is fed from a $230 V, 50 Hz$, single-phase $AC$ mains. If it is delivering a constant $DC$ current of $10 A$, at firing angle of $30^\circ$, then value of the power factor at $AC$ mains is $0.87$ $0.9$ $0.78$ $0.45$

A single-phase thyristor-bridge rectifier is fed from a $230 V, 50 Hz$, single-phase $AC$ mains. If it is delivering a constant $DC$ current of $10 A$, at firing angle of...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1170

GATE Electrical 2016 Set 2 | Question: 1
The output expression for the Karnaugh map shown below is $A+\bar{B}$ $A+\bar{C}$ $\bar{A}+\bar{C}$ $\bar{A}+C$

The output expression for the Karnaugh map shown below is$A+\bar{B}$$A+\bar{C}$$\bar{A}+\bar{C}$$\bar{A}+C$

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1171

GATE Electrical 2016 Set 1 | Question: 19
In a $100$ bus power system, there are $10$ generators. In a particular iteration of Newton Raphson load flow technique (in polar coordinates), two of the $PV$ buses are converted to $PQ$ type. In this iteration, The ... decreases by two. The number of unknown voltage angles remains unchanged and the number of unknown voltage magnitudes decreases by two.

In a $100$ bus power system, there are $10$ generators. In a particular iteration of Newton Raphson load flow technique (in polar coordinates), two of the $PV$ buses are ...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1172

GATE Electrical 2016 Set 2 | Question: 27
For the circuit shown below, taking the opamp as ideal, the output voltage $V_{out}$ in terms of the input voltages $V_{1}, V_{2}$ and $V_{3}$ is $1.8V_{1} + 7.2V_{2} -V_{3}$ $2V_{1} + 8V_{2} - 9V_{3}$ $7.2V_{1} + 1.8V_{2} -V_{3}$ $8V_{1} + 2V_{2} - 9V_{3}$

For the circuit shown below, taking the opamp as ideal, the output voltage $V_{out}$ in terms of the input voltages $V_{1}, V_{2}$ and $V_{3}$ is$1.8V_{1} + 7.2V_{2} -V_{...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1173

GATE Electrical 2016 Set 2 | Question: 46
A three-phase Voltage Source Inverter $(VSI)$ as shown in the figure is feeding a delta connected resistive load of $30 \Omega$/phase. If it is fed from a $600$ V battery, with $180$° conduction of solid-state devices, the power consumed by the load, in kW, is __________.

A three-phase Voltage Source Inverter $(VSI)$ as shown in the figure is feeding a delta connected resistive load of $30 \Omega$/phase. If it is fed from a $600$ V battery...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1174

GATE Electrical 2016 Set 1 | Question: 16
In a constant $V/f$ induction motor drive, the slip at the maximum torque Is directly proportional to the synchronous speed. Remains constant with respect to the synchronous speed. Has an inverse relation with the synchronous speed. Has no relation with the synchronous speed.

In a constant $V/f$ induction motor drive, the slip at the maximum torqueIs directly proportional to the synchronous speed.Remains constant with respect to the synchronou...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1175

GATE Electrical 2016 Set 2 | Question: 47
A $DC-DC$ boost converter, as shown in the figure below, is used to boost $360$ V to $400$ V, at a power of $4$ kW. All devices are ideal. Considering continuous inductor current, the rms current in the solid state switch $(S)$, in ampere, is _________.

A $DC-DC$ boost converter, as shown in the figure below, is used to boost $360$ V to $400$ V, at a power of $4$ kW. All devices are ideal. Considering continuous inductor...

makhdoom ghaya

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makhdoom ghaya asked Jan 29, 2017

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1176

GATE Electrical 2016 Set 1 | Question: 10
A temperature in the range of $−40 ^\circ C$ to $55^\circ C$ is to be measured with a resolution of $0.1^\circ C$. The minimum number of $ADC$ bits required to get a matching dynamic range of the temperature sensor is $8$ $10$ $12$ $14$

A temperature in the range of $−40 ^\circ C$ to $55^\circ C$ is to be measured with a resolution of $0.1^\circ C$. The minimum number of $ADC$ bits required to get a ma...

makhdoom ghaya

9.4k points

makhdoom ghaya asked Jan 29, 2017