# Electrostatics · Physics · NEET

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## MCQ (Single Correct Answer)

NEET 2024
A thin spherical shell is charged by some source. The potential difference between the two points $$C$$ and $$P$$ (in V) shown in the figure is: (Take...
NEET 2024
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The potential (V) at any axial poin...
NEET 2023 Manipur
According to Gauss law of electrostatics, electric flux through a closed surface depends on :
NEET 2023 Manipur
A charge $$\mathrm{Q} ~\mu \mathrm{C}$$ is placed at the centre of a cube. The flux coming out from any one of its faces will be (in SI unit) :
NEET 2023 Manipur
If a conducting sphere of radius $$\mathrm{R}$$ is charged. Then the electric field at a distance $$\mathrm{r}(\mathrm{r} > \mathrm{R})$$ from the cen...
NEET 2023
An electric dipole is placed at an angle of $$30^{\circ}$$ with an electric field of intensity $$2 \times 10^{5} \mathrm{NC}^{-1}$$. It experiences a ...
NEET 2023
If $$\oint_\limits{s} \vec{E} \cdot \overrightarrow{d S}=0$$ over a surface, then:
NEET 2023
An electric dipole is placed as shown in the figure. The electric potential (in 102 V) at point P due to the dipole is ($$\in_0$$ = permittivity of f...
NEET 2022 Phase 2
Six charges +q, $$-$$q, +q, $$-$$q, +q, and $$-$$q are fixed at the corners of a hexagon of side d as shown in the figure. The work done in bringing a...
NEET 2022 Phase 1
The angle between the electric lines of force and the equipotential surface is
NEET 2022 Phase 1
Two hollow conducting spheres of radii R1 and R2 (R1 >> R2) have equal charges. The potential would be...
NEET 2022 Phase 1
Two point charges $$-$$q and +q are placed at a distance of L, as shown in the figure. The magnitude of electric field intensity at a distance R(R &g...
NEET 2021
Polar molecules are the molecules :
NEET 2021
A dipole is placed in an electric field as shown. In which direction will it move?...
NEET 2021
Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres ($$\sigma$$1 /...
NEET 2021
Twenty seven drops of same size are charged at 220V each. They combine to form a bigger drop. Calculate the potential of the bigger drop.
NEET 2020 Phase 1
A short electric dipole has a dipole moment of 16 $$\times$$ 10-9 Cm. The electric potential due to the dipole at a point at a distance of 0.6 m fro...
NEET 2020 Phase 1
In a certain region of space with volume 0.2 m3, the electric potential is found to be 5 V throughout. The magnitude of electric field in this region ...
NEET 2020 Phase 1
A spherical conductor of radius 10 cm has a charge of 3.2 $$\times$$ 10-7 C distributed uniformly. That is the magnetude of electric field at a poin...
NEET 2019
A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre :
NEET 2019
Two point charges A and B, having charges +Q and – Q respectively, are placed at certain distance apart and force acting between them is F. If 25% cha...
NEET 2019
Two parallel infinite line charges with linear charge densities +$$\lambda$$ C/m and -$$\lambda$$ C/m are placed at a distance of 2R in free space. ...
NEET 2018
An electron falls from rest through a vertical distance h in a uniform and vertically upward directed electric field E. The direction of electric fiel...
NEET 2018
A toy car with charge q moves on a frictionless horizontal plane surface under the influence of a uniform electric field $$\overrightarrow E$$ . Due ...
NEET 2017
Suppose the charge of a proton and an electron differ slightly. One of them is $$-$$e, the other is (e + $$\Delta$$e). If the net of electrostatic fo...
NEET 2017
The diagrams below show regions of equipotentials. A positive charge is moved from A to B in each diagram. ...
NEET 2016 Phase 2
An electric dipole is placed at an angle of 30o with an electric field intensity 2 $$\times$$ 105 N C$$-$$1. It experiences a torque equal to 4 N m....
NEET 2016 Phase 1
Two identical charged spheres suspended from a common point by two massless strings of lengths $$l$$, are initially at a distance d(d < < $$l... AIPMT 2015 If potential (in volts) in a region is expressed as V(x, y, z) = 6xy$$-$$y + 2yz, the electric field (in N/C) at point (1, 1, 0) is AIPMT 2015 Cancelled Paper The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere of radius 'a' centred at the ... AIPMT 2014 In a region, the potential is represented by V(x, y, z) = 6x$$-$$8xy$$-$$8y + 6yz, where$$Vis in volts and x, y, z are in metres. ... AIPMT 2014 A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere rrespectively are NEET 2013 (Karnataka) A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to NEET 2013 (Karnataka) An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate the dipole by 90o is ... NEET 2013 A, B and C are three points in a uniform electric field. The electric potential is ... NEET 2013 Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium separation between them is r. Now ... AIPMT 2012 Mains Two metallic spheres of radii 1 cm and 3 cm are given charges of-$$1$$ \times $$10$$-$$2 C and 5$$ \times $$10$$-$$2 C, respectively. If these... AIPMT 2012 Prelims An electric dipole of moment p is placed in an electric field of intensity E. The dipole acquires a position such that the axis of the dipole makes an... AIPMT 2012 Prelims What is the flux through a cube of side$$a$$if a point charge of q is at one of its corner? AIPMT 2012 Prelims Four point charges$$-$$Q,$$-$$q, 2q and 2Q are placed, one at each corner of the square. The relation between Q and q for which the potential at the... AIPMT 2011 Mains The electric potential V at any point (x, y, z), all in metres in space is given by V = 4x2 volt. The electric field at the point (1, 0, 2) in volt/me... AIPMT 2011 Mains Three charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2$$a$$. D and E are the mid points of BC and CA. Th... AIPMT 2011 Prelims Four electric charges +q, +q,$$-$$q and$$-$$q are placed at the corners of a square of side 2L (see figure). The electric potential at point A, mi... AIPMT 2011 Prelims A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will AIPMT 2010 Mains The electric field at a distance$${{3R} \over 2}$$from the centre of a charged conducting spherical shell of radius R is E. The electric field at a ... AIPMT 2010 Prelims A square surface of side L meter in the plane of the paper is placed in a uniform electric field$$E$$(volt/m) acting along the same plane at an angle... AIPMT 2010 Prelims Two positives ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the number of electrons ... AIPMT 2009 Three concentric spherical shells have radii a, b and c (a < b < c) anf have surface charge densities$$\sigma $$,$$-\sigma $$and$$\sigma...
AIPMT 2009
The electric potential at a point (x, y, z) is given by V = $$-$$x2y $$-$$ xz3 + 4 The electric field at that point is
AIPMT 2008
The electric potential at a point in free space due to charge Q coulomb is Q $$\times$$ 1011 volts. The electric field at that point is
AIPMT 2008
A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charge on the part AKB of the ring ...
AIPMT 2007
Charges +q and $$-$$q are placed at points A and B respectively which are a distance 2L apart, C is the midnight between A and B. The work done in mov...
AIPMT 2007
A hollow cylinder has a charge q coulomb within it. If $$f$$ is the electric flux in units of voltmeter associated with the curved surface B, the flux...
AIPMT 2007
Three point charges +q, $$-$$ 2q and + q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x = $$a$$, y = 0, z = 0) respectively....
AIPMT 2006
An electric dipole of moment $$\overrightarrow p$$ is lying along a uniform electric field $$\overrightarrow E$$. The work done in rotating the dipo...
AIPMT 2006
A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E$$ (volt/m), also in the plane of the pap...
AIPMT 2005
Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40 cm from C to ...
AIPMT 2005
As per the diagram a point charge +q is placed at the origin O. Work done in taking another point charge $$-$$Q from the point A [coordinates (0, $$a... AIPMT 2004 A bullet of mass 2 g is having a charge of 2$$\mu $$C. Through what potential difference must it be accelerated, starting from rst, to acquire a spee... AIPMT 2004 An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment ... AIPMT 2003 A charge q is located at the centre of a cube. The electric flux through any face is AIPMT 2002 Identical charges ($$-$$q) are placed at each corners of cube of side b then electrostatic potential energy of charge (+q) which is placed at centre o... AIPMT 2002 Some charge is being given to a conductor. Then its potential is AIPMT 2001 A dipole of dipole moment$$\overrightarrow p $$is placed in uniform electric field$$\overrightarrow E $$then torque acting on it is given by AIPMT 2001 A charge Q$$\mu $$C is placed at the centre of a cube, the flux coming out from each face will be AIPMT 2000 A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is AIPMT 2000 Electric field at centre O of semicircle of radius$$a$$having linear charge density$$\lambda  given as ...
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