gourav bhardwaj

Two particles carrying 4c and -2c charges are placed on 1m long straight wire.determine the point on the line joining these particles where the electric potential is zero with reference to the positively charged particle.

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 battery.

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 parallel to the surface of the earth ,points to the north and its magnitude is 0.04mT.Determine the magnetic force on 1m length of th...

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.

Find the nature of the conic 2x^2+xy-y^2-6 = 0

Obtain the derivative and the unit tangent vector for a vector function a(t) = t i^+e^t^2 j^+ sin2t k^

For three vectors u, v and w show that: (u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .

show that for any vector field F 🔻. (🔻× F) = 0.

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, 2).