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Invalid limit parameter received
7
votes
0
answers
7.3k
views
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A single phase semiconverter is operated from 120V 50HZ ac. supply. The load resistance is 10 ohm. If the average output voltage is 25% of the maximum possible average output voltage.
power electronics updated 22 months ago by binitamayekar ★ 6.4k
6
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5.0k
views
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An optical fiber has a numerical aperture of 0.20 and a cladding refractive index of 1.59.
need-tagging updated 7.2 years ago by sanketshingote • 100
8
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6.9k
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Find the displacement thickness, the momentum thickness and energy thickness for the velocity distribution in boundary layer given by, $\frac{\mu}{U}=2(\frac{y}{\delta})- (\frac{y}{\delta})^2.$
fluid mechanics updated 2.1 years ago by sagarkolekar ★ 11k
4
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3.9k
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A catchment has five rain gauge stations. In a year, the annual rainfalls recorded by the gauges are 78.8 cm, 90.2 cm 98.6 cm, 102.4 cm and 70.4 cm.
water resources engineering updated 4.3 years ago by teamques10 ★ 64k
3
votes
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3.4k
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Two point charge of equal mass m, charge Q are suspended at a common point by two threads of negligible mass and length l.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
8
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5.1k
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Design a wide band reject filter having fh=400Hz and FL=2kHz with a pass band gain of 2, also draw the frequency response of it.
linear integrated circuits updated 2.1 years ago by sagarkolekar ★ 11k
3
votes
0
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15k
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The first four moments of distribution about the value 4 are -1.5, 17, -30 and 108. Obtain the first four central moments, mean, standard deviation and coefficient of skewness and kurtosis.
engineering mathematics updated 2.0 years ago by binitamayekar ★ 6.4k
2
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How to find out the mode of operation and write the ALP for the question?
microprocessors and applications updated 6.9 years ago by d989262 • 20
2
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1.0k
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Explain production process of multimedia applications, with an example.
need-tagging updated 6.5 years ago by kaustubh6697 • 20
2
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answers
1.2k
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Explain memory management system calls in UNIX?
operating systems updated 2.0 years ago by pedsangini276 • 4.7k
2
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3.3k
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The line current in amperes in phases a,b,c resp.are (500+j150),(100-j600),(-300-j600).Determine the symmetrical components of current.
power system analysis updated 2.0 years ago by sagarkolekar ★ 11k
2
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1.4k
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Obtain an expression for magnetic vector potential in the region surrounding an infinitely long straight filamentary current 'I'.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
3
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2.2k
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The vector current density is given as $\overline{J}=\frac{4}{r^{2}}\cos\theta\hat{a_{r}}+20e^{-2r}\sin\theta\hat{a_{\theta}}-r\sin\theta\cos\phi\hat{a_{\theta}}\space A/m^{2}$
electromagnetic field and wave theory updated 2.1 years ago by mahmud.sazzad2906 • 10
3
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answers
2.6k
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Design an exit taxiway connecting runway and parallel taxiway for total angle of turning as $35^0$ . Turning speed is 80kmph, take coefficient of friction as 0.12. Assume any other data if required
transportation engineering updated 21 months ago by sagarkolekar ★ 11k
2
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answers
2.1k
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A regenerative air refrigeration system for an aeroplane is designed to take a load of 25 TR. The temperature and pressure Conditions for atmosphere are 5$^{\circ}$C and 0.85 bar.
refrigeration and air conditioning updated 2.0 years ago by sagarkolekar ★ 11k
2
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1.8k
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List down the phases in mechanical system design procedure OR Explain machine design methodology? OR Draw flow chart for design methodology and explain with example.
design of mechanical systems updated 2.1 years ago by sagarkolekar ★ 11k
1
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931
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What are the factor considered for the selection of material handling equipments?
design of mechanical systems updated 2.1 years ago by sagarkolekar ★ 11k
1
vote
0
answers
2.4k
views
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How to select the types of blade for centrifugal pump. Number of blades depends on which parameters.
design of mechanical systems updated 2.1 years ago by sagarkolekar ★ 11k
1
vote
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2.4k
views
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A single phase semi converter is operated from 230V, 50Hz ac supply. The load resistance is 20ohm. The average output voltage is 30% of the max. Possible average output voltage. Determine
power electronics updated 2.0 years ago by RakeshBhuse • 3.2k
2
votes
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answers
2.5k
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Given that $D=\frac{5r^{2}}{4}\hat{a_{r}}$ $c/m^{2}$ in spherical coordinates, evaluate both sides of the divergence theorem for the volume enclosed by r=4 m and $\theta=\frac{\pi}{4}$ radian.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
4
votes
0
answers
1.8k
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A line charge of 2n c/m lies along y-axis while surface charge densities of $0.1\times 10^{-9}$ $c/m^{2}$ and $-0.1\times 10^{-9}$ $c/m^{2}$ exist on the plane z=3 and z=-4m respectively.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
1
vote
0
answers
580
views
0
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Explain the concept of vector magnetic potential.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
2
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4.7k
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In the region 0<r<0.5 m in cylindrical co-ordinates system, the current density is, $\overline{J}=4.5e^{-2r}\hat{a_{z}}A/m^2$ and J=0 elsewhere.Use Ampere's Circuital Law to find H in all regions.
electromagnetic field and wave theory updated 2.2 years ago by shyamdon0508 • 20
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A potential field is given as $V=100e^{-5x}\sin 3y\cos 4z$ volts.Let point $P(0.1,\frac{\pi}{12},\frac{\pi}{24})$ be located at a conductor free space boundary.
electromagnetic field and wave theory updated 2.3 years ago by sagarkolekar ★ 11k
1
vote
0
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1.6k
views
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Explain the operation of 120-degree mode three-phase voltage source inverter (VSI).
power electronics updated 2.3 years ago by teamques10 ★ 64k
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