1

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

Three infinite plane sheets carrying uniform charge densities $$-$$ $$\sigma$$, 2$$\sigma$$, 4$$\sigma$$ are placed parallel to XZ-plane at Y = a, 3a, 4a respectively. The electric field at the point (0, 2a, 0) is

2

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

Two point charges +q

_{1}and +q_{2}are placed a finite distance d apart. It is desired to put a third charge q_{3}in between these two charges, so that q_{3}is in equilibrium. This is3

WB JEE 2020

MCQ (Single Correct Answer)

+1

-0.25

As shown in the figure, a point charge q

In that case, which of the following graph(s) shows most correctly the electric field vector in E

_{1}= + 1 $$ \times $$ 10^{-6}C is placed at the origin in xy-plane and another point charge q_{2}= + 3 $$ \times $$ 10^{-6}C is placed at the coordinate (10, 0).In that case, which of the following graph(s) shows most correctly the electric field vector in E

_{x}in x-direction?4

WB JEE 2020

MCQ (Single Correct Answer)

+1

-0.25

Four identical point masses, each of mass m and carrying charge + q are placed at the corners of a square of sides a on a frictionless plane surface. If the particles are released simultaneously, the kinetic energy of the system when they are infinitely far apart is

Questions Asked from Electrostatics (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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