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gourav bhardwaj
Questions and answers by visitors named
gourav bhardwaj
Questions (27)
Two particles carrying 4c and -2c charges are placed on 1m long straight wire.determine the point on the line joining these
2 answers
647 views
The energy of a capacitor is 4.0uJ after it has been charged by a 1.5v battery.calculate its energy when it is charged by a 6.0v
1 answer
376 views
A horizontal ,straight wire carying 12.0A current from west to east is in the earth's magnetic field B.At this place,B is
2 answers
606 views
A triangular wave of +-12v amplitude and 10Mhz frequency is generated at the output of an op-amp.Calculate the minimum slew rate
1 answer
379 views
which of the following are binary operation.justify your answer.
(i) the operation . defined on Q by a.b =a(b-a) (ii) the
1 answer
625 views
Find the radius and the centre of the circular section of the sphere | r| = 4 cut off by the plane r.(2i-j+4k) = 3.
4 answers
694 views
Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and
0 answers
428 views
Let (x1,x2,x3) and (y1,y2,y3) represent the coordinates with respect to the bases B1 = { (1,0,0),(0,1,0),(0,0,1)} , B2 = {
1 answer
318 views
Find the nature of the conic 2x^2+xy-y^2-6 = 0
1 answer
351 views
Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and
1 answer
451 views
Which of the following are binary operation.justify your answer.
(i) the operation . defined on Q by a.b =a(b-a) (ii) the
2 answers
595 views
Obtain the derivative and the unit tangent vector for a vector function
a(t) = t i^+e^t^2 j^+ sin2t k^
1 answer
435 views
For three vectors u, v and w show that:
(u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .
3 answers
857 views
show that for any vector field F
🔻. (🔻× F) = 0.
1 answer
359 views
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a non-zero real constant.
1 answer
317 views
Out of 90 applicants for a job, 60 people get selected after the interview. If five applicants are selected at random,calculate
1 answer
499 views
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a
1 answer
478 views
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event
2 answers
579 views
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event
1 answer
615 views
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a
1 answer
672 views
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a non-zero real constant.
1 answer
340 views
Out of 90 applicants for a job, 60 people get selected after the interview. If five applicants are selected at random,calculate
1 answer
478 views
Using Stokes' theorem evaluate ∫c F.dl where F = yi^+ xz^3 j^-z y^3 k^ and C is the circle x^2+ y^2 = 4; z = -3.
1 answer
666 views
Using Green's Theorem evaluate the integral ∮c(xydx + x^2y^2 dy) where C is the triangle with vertices (0 ,0), (1, 0) and (1,
4 answers
1,873 views
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses,B is the event
1 answer
488 views
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a
2 answers
538 views
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a non-zero real constant.
1 answer
368 views
