Find the magnitude of the electric field at the point P in the configuration shown in figure- 1.219 (a), (b) and (c ) for `d gtgt a` take 2qa=P.
`[(a)(q)/(4piin_(0)d^(2)),(b)(2q)/(2piin_(0)d^(3)),(c ) (q)/(4piin_(0)d^(2))sqrt(1+(4a^(2))/(d^(2)))]`

find the magnitude of the electric field at the point P in the configuration shown in figure for dgtgta, Take2qa = p.

In figure-, an electric dipole is placed at a distance x from an infinitely long rod of linear charge density lambda . (a) Find the net force acting on the dipole (b) What is the work done in rotating the dipole through 180^(@) (c ) If the dipole is slightly rotated about its equilibrium position, find the time period of oscillation. Assume that the dipole is linearly restrained. [(a)(lambdaaq)/(piin_(0)x^(2)),(b) (2lambdaaq)/(piin_(0)x),(c ) 2pisqrt((2piin_(0)mx^(2)a)/(lambdaq))]

The solution of the equation -4 = 2 ( p- 2) is (a) 0 (b) 1 (c) 2 (d) 4

The solution of the equation -4 = 2 ( p- 2) is (a) 0 (b) 1 (c) 2 (d) 4

Three point charges -Q, Q and Q are placed on a straight line with distance d between charges as shown. Find the magnitude of the electric field at the point P in the configuration shown which is at a distance a from middle charge Q in the system provided that a gt gt d . Take 2Qd=p .

Find the vector joining the points P(2, 3, 0) and Q(-1,-2,-4) directed from P to Q.

Find the vector joining the points P(2,3,0) and Q(-1,-2,-4) directed from P to Q.

In Q.No.7,HCF(a,b) is pq(b)p^(3)q^(3)(c)p^(3)q^(2) (d) p^(2)q^(2)

If (p)/(a) + (q)/(b) + (r )/(c )=1 " & " (a)/(p) + (b)/(q) + (c )/(r )=0 find (p^(2))/(a^(2)) + (q^(2))/(b^(2)) + (r^(2))/(c^(2)) = ?