A point chanrge of magnitude `q=4.5nC` is moving with speed `v=3.6xx10^7ms^-1` parallel to the x-axis along the line `y=3m`. Find the magnetic field at the origin produced by this charge when the charge is at the point `x=-4 m`, `y=3m`, as shown in Fig.

A particle of mass m=5 units is moving with a uniform speed v = 3 sqrt(2) units in the XY-plane along the y=x+4 . The magnitude of the angular momentum about origin is

A point charge q = - 8.0 nC is located at the origin. Find the electric field vector at the point x = 1.2 m, y = -1.6 m.

Find the magnitude of the electric field at a point 4 cm away from a line charge of density 2 xx 10^(-6) C m^(-1) .

As charge q=1muC is placed at point (1m,2m,4m) . Find the electric field at point P(0,-4m,3m)

Ratio of electric and magnetic field due to moving point charge if its speed is 4.5xx10^(5)m//s

A charge q = -2.0 muC is placed at origin. Find the electric field at (3 m, 4 m, 0) .

An elevator carrying a charge of 0.5C is moving down with a velocity of 5xx10^3ms^-1 . The elevator is 4m from the bottom and 3m horizontally from P as shown in Fig. What magnetic field ( muT ) does it produce at point P

An infinite number of charges, each of coulomb, are placed along x-axis at x = 1m, 3m, 9m and so on. Calculate the electric field at the point x = 0 due to these charges if all the charges are of the same sign.

Find the points on the curve y=4x^3-3x+5 at which the equation of the tangent is parallel to the X-axis.

A particle of charge -16xx10^(-18) coulomb moving with velocity 10 ms^(-1) along the x- axis , and an electric field of magnitude (10^(4))//(m) is along the negative z- ais . If the charged particle continues moving along the x - axis , the magnitude of B is