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428
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Explain the term E-pollution. What are its sources and ill-effects?
environmental studies updated 3.0 years ago by teamques10 ★ 64k
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446
views
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How electricity can be generated from wind energy?
environmental studies updated 2.4 years ago by Krishna_Agrawal • 2.6k
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5.4k
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Derive the equations for Av, Ai, Ri and Ro for a NPN transistor in CE mode voltage divider bias configuration with RE unbypassed.
engineering physics updated 3.0 years ago by teamques10 ★ 64k
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0
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303
views
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Regions of operation of FET
need-tagging updated 3.0 years ago by teamques10 ★ 64k
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534
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Small signal model of a diode
analog electronics updated 2.4 years ago by pedsangini276 • 4.7k
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272
views
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For a CE amplifier derive the expressions for Av, AI, Zi and Zo.
need-tagging updated 3.0 years ago by teamques10 ★ 64k
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6.0k
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For a CE amplifier derive the expressions for Av, AI, Zi and Zo.
need-tagging updated 3.0 years ago by teamques10 ★ 64k
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0
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348
views
0
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Find the orthogonal trajectory of the curves 3x2y+2x3-y3-2y2 = ?, where &lpha is a constant
differential calculus and geometry updated 3.0 years ago by teamques10 ★ 64k
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1.3k
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Non trivial solution
engineering mathematics updated 2.2 years ago by RakeshBhuse • 3.2k
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273
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If z is any zero complex number show that - [A=frac{1}{sqrt{2} vert{}zvert{}}left[egin{array}{cc}z
need-tagging updated 3.0 years ago by teamques10 ★ 64k
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306
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Find the all possible ranks of the matrix \[A=\left[\ \begin{array}{ccc}k & -3 & -3 \\-3 & k & -3 \\-3 & -3 & k\end{array}\right]\] where k is any real number
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
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333
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Solve the \[DE\ \ y+\int_0^ty\ dt=1-\ e^{-t}\]using Laplace transforms.
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
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372
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Show that {cos nx}n≥1 is an orthogonal family of functions in [ -π , π ]. Also find the corresponding orthonormal set.
differential calculus and geometry updated 3.0 years ago by teamques10 ★ 64k
1
vote
0
answers
379
views
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Prove that \[w=\frac{x}{x^2+y^2}\ -i\frac{y}{x^2+y^2}\] is analytical find f(z) in terms of z.
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
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438
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Find Z-Transform of {k ? e-ak} k?0.
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
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0
answers
387
views
0
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Find the Fourier sine transform of f(x) if \[ \begin {align*}f(x)&=\sin kx, &0 \le x <a \\&=0, &x>a\end{align*}\]
engineering mathematics updated 2.4 years ago by Krishna_Agrawal • 2.6k
0
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0
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384
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Show that every square matrix A can be uniquely expressed as P+iQ when P and Q are Hermitian matrices
engineering mathematics updated 2.4 years ago by Krishna_Agrawal • 2.6k
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0
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529
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Find the non-singular matrices P and Q such that - \[A=\ \left[\begin{array}{ccc}1 & 2 & 3 & 2 \\2 & 3 & 5 & 1 \\1 & 3 & 4 & 5\end{array}\right]\] is reduced to normal form. Also find its rank.
engineering mathematics updated 2.4 years ago by Krishna_Agrawal • 2.6k
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291
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\[If\ \ \left\{f\left(x\right)\right\}=\left\{\begin{array}{l}4^k,\ \ \&for\ k<0\\3^k,\ \ \&for\ k\geq{}0\end{array}\right.\ \ find\ Z\left\{f\left(k\right)\right\}\]
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
0
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0
answers
667
views
0
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Matrix By PAQ method
engineering mathematics updated 2.2 years ago by RakeshBhuse • 3.2k
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424
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For what value of ?, the following system of equations possesses a non-trivial solution? Obtain the solution for real value of ?. 3x1+x2-? x3=0, 4x12x2-3x3=0, 2? x1+4x2+? x4=0
engineering mathematics updated 2.4 years ago by Krishna_Agrawal • 2.6k
0
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0
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324
views
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Find the orthogonal trajectory of the family of curves 3x3y+2x2-y3-2y2= c
differential calculus and geometry updated 3.0 years ago by teamques10 ★ 64k
1
vote
0
answers
480
views
0
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A vector field is given by $F=3x^3yi + (x^3-2yz^2) j+ (3z^2-2y^2z) k$ is irrational. Also find ? such that F= ? ?. Also evaluate the line integral from (2,1,1), (2,0,1)
engineering mathematics updated 2.2 years ago by RakeshBhuse • 3.2k
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326
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Find matrix A if adj \[\left[A=\begin{array}{ccc}-2 & 1 & 3 \\-2 & -3 & 11 \\2 & 1 & -5\end{array}\right]\]
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
0
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0
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278
views
0
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Find inverse Z-transform of \[\frac{z\left(z+1\right)}{\left(z-1\right)\left(z^2+z+1\right)}\]
engineering mathematics updated 3.0 years ago by teamques10 ★ 64k
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