Electrostatics

What is the electric flux for Gaussian surface \(A\) that encloses the charged particles in free space? [Given, \(q_1=-14 \mathrm{~nC}, q_2=78.85 \mathrm{~nC}, \left.q_3=-56 \mathrm{~nC}\right]\)

What is the angle between maximum value of potential gradient and equipotential surface?

When a number of charged liquid drops
coalesce, which of the following quantity
does not change?

Two charges \(10 ~\mu \mathrm{C}\) and \(-10 ~\mu \mathrm{C}\) are placed at points \(A\) and \(B\) separated by a distance of \(10 \mathrm{~cm}\). Find the electric field at a point \(P\) on the perpendicular bisector of \(A B\), at a dist...

Which statement(s) among the following are
incorrect?
(i) A negative test charge experiences a force
opposite to the direction of the field.
(ii) The tangent drawn to a line of force
represents the direction of electric field.
(iii) The ele...

Charge on the outer sphere is \(q\) and the inner sphere is grounded. The charge on the inner sphere is \(q^{\prime}\), for \(\left(r_2 > r_1\right)\). Then,

Gauss's law helps in