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Recent questions tagged numericalanswers
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GATE2019 EE: 18
If $f=2x^{3}+3y^{2}+4z,$ the value of line integral $\int_{c}$ grad$f.dr$ evaluated over contour $C$ formed by the segments $(3,3,2)\rightarrow(2,3,2)\rightarrow(2,6,2) \rightarrow(2,6,1) $ is___________.
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GATE2019 EE: 19
The current $I$ is flowing in the circuit shown below in amperes (round off to one decimal place) is _____
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GATE2019 EE: 20
A coaxial Cylindrical capacitor is shown in the Figure(i) has dielectric with relative permittivity $\epsilon_{r1} = 2.$. When one – fourth portion of the dielectric is replaced with another dielectric of relative permittivity $\epsilon_{r2}$, as shown in the Figure(ii), the capacitance is doubled. The value of $\epsilon_{r2}$ is _________.
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GATE2019 EE: 21
The $Y_{bus}$ matrix of a twobus power system having two identical parallel lines connected between them in pu is given as $Y_{bus} = \begin{bmatrix} j8 & j20 \\ j20& j8 \end{bmatrix}$ The magnitudde of the series reactance of each line in pu (round off upto one decimal place) is__________.
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GATE2019 EE: 22
Five alternators each rated 5 MVA, 13.2 kV with 25% of reactance on its own base are connected in parallel to a busbar. The short circuit level in MVA at the busbar is ____________.
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GATE2019 EE: 23
The total impedance of the secondary winding, leads, and burden of a 5 A CT is 0.01 $\Omega$. If the fault current is 20 times the rated primary current of the CT, the VA output of the CT is_________.
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GATE2019 EE: 24
The Rank of the matrix, $M = \begin{bmatrix} 0 &1 &1 \\ 1& 0 &1 \\ 1& 1 & 0 \end{bmatrix}$, is ______________.
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GATE2019 EE: 25
The output voltage of a singlephase fullbridge voltage source inverter is controlled by unipolar PWM with one pulse per half cycle. For the fundamental rms Component of the output voltage to be 75% of DC voltage, The required pulse width in degrees (round off up to one decimal place) is ___________.
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GATE2019 EE: 39
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GATE2019 EE: 40
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GATE2019 EE: 41
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GATE2019 EE: 42
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GATE2019 EE: 43
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GATE2019 EE: 44
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GATE2019 EE: 45
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GATE2019 EE: 46
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GATE2019 EE: 47
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GATE2019 EE: 48
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19
GATE2019 EE: 49
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GATE2019 EE: 50
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GATE2019 EE: 51
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GATE2019 EE: 52
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GATE2019 EE: 53
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GATE2019 EE: 54
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GATE2019 EE: 55
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