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## Electrostatics

### Physics

#### Previous Years Questions

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Two point charges $$-$$q and +q are placed at a distance of L, as shown in the figure. The magnitude of electric field ...
NEET 2022
Two hollow conducting spheres of radii R1 and R2 (R1 >> R2) have equal charges. The potential would be...
NEET 2022
The angle between the electric lines of force and the equipotential surface is
NEET 2022
Twenty seven drops of same size are charged at 220V each. They combine to form a bigger drop. Calculate the potential of...
NEET 2021
Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column-II gives so...
NEET 2021
Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities...
NEET 2021
A dipole is placed in an electric field as shown. In which direction will it move?...
NEET 2021
Polar molecules are the molecules :
NEET 2021
A spherical conductor of radius 10 cm has a charge of 3.2 $$\times$$ 10-7 C distributed uniformly. That is the magnetu...
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 ...
NEET 2020 Phase 1
The capacitance of a parallel plate capacitor with air as medium is 6$$\mu$$F. With the introduction of a dielectric me...
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 po...
NEET 2020 Phase 1
Two parallel infinite line charges with linear charge densities +$$\lambda$$ C/m and -$$\lambda$$ C/m are placed at a ...
NEET 2019
A parallel plate capacitor of capacitance 20 $$\mu$$F is being charged by a voltage source whose potential is changing...
NEET 2019
Two point charges A and B, having charges +Q and – Q respectively, are placed at certain distance apart and force acting...
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 ce...
NEET 2019
A toy car with charge q moves on a frictionless horizontal plane surface under the influence of a uniform electric field...
NEET 2018
An electron falls from rest through a vertical distance h in a uniform and vertically upward directed electric field E. ...
NEET 2018
The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A,...
NEET 2018
The diagrams below show regions of equipotentials. A positive charge is moved from A to B in each diagram. ...
NEET 2017
Suppose the charge of a proton and an electron differ slightly. One of them is $$-$$e, the other is (e + $$\Delta$$e). ...
NEET 2017
A capacitor is charged by a battery. The battery is removed and another identical unchanged capacitor is connected in pa...
NEET 2017
Two identical charged spheres suspended from a common point by two massless strings of lengths $$l$$, are initially a...
NEET 2016 Phase 1
A capacitor of 2 $$\mu$$F is charged as shown in the diagram. When the switch S is turned to position 2, the percentag...
NEET 2016 Phase 1
A parallel-plate capacitor of area a, plate separation d and capacitance C is filled with four dielectric materials havi...
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 experi...
NEET 2016 Phase 2
The electric field in a certain region is acting radially outward and is given by E = Ar. A charge contained in a sphere...
AIPMT 2015 Cancelled Paper
A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielect...
AIPMT 2015 Cancelled Paper
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...
AIPMT 2015
A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$...
AIPMT 2015
Two thin dielectric slabs of dielectric constants K1 and K2(K1 &lt; K2) are inserted between plates of a parallel plate ...
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 ...
AIPMT 2014
In a region, the potential is represented by V(x, y, z) = 6x $$-$$ 8xy $$-$$ 8y + 6yz, &nbsp;&nbsp;where $$V$$ is in vol...
AIPMT 2014
A, B and C are three points in a uniform electric field. The electric potential is ...
NEET 2013
An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate t...
NEET 2013 (Karnataka)
Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium sepa...
NEET 2013
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 e...
NEET 2013 (Karnataka)
Two metallic spheres of radii 1 cm and 3 cm are given charges of $$-$$1 $$\times$$ 10$$-$$2 C and 5 $$\times$$ 10$$... AIPMT 2012 Mains A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p... AIPMT 2012 Mains What is the flux through a cube of side$$a$$if a point charge of q is at one of its corner? AIPMT 2012 Prelims Four point charges$$-$$Q,$$-$$q, 2q and 2Q are placed, one at each corner of the square. The relation between Q and q ... AIPMT 2012 Prelims An electric dipole of moment p is placed in an electric field of intensity E. The dipole acquires a position such that t... AIPMT 2012 Prelims Three charges, each +q, are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2$$a$$. D and E are t... AIPMT 2011 Mains The electric potential V at any point (x, y, z), all in metres in space is given by V = 4x2 volt. The electric field at ... AIPMT 2011 Mains A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric... AIPMT 2011 Prelims Four electric charges +q, +q,$$-$$q and$$-$$q are placed at the corners of a square of side 2L (see figure). The ele... AIPMT 2011 Prelims A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p... AIPMT 2011 Prelims The electric field at a distance$${{3R} \over 2}$$from the centre of a charged conducting spherical shell of radius R ... AIPMT 2010 Mains Two parallel metal plates having charges +Q and$$-$$Q face each other at a certain distance between them. If the plates... AIPMT 2010 Mains A series combination of n1 capacitors, each of value C1, is charged by a source of potential difference 4V. When another... AIPMT 2010 Prelims A square surface of side L meter in the plane of the paper is placed in a uniform electric field$$E$$(volt/m) acting al... AIPMT 2010 Prelims Two positives ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ... AIPMT 2010 Prelims The electric potential at a point (x, y, z) is given by V =$$-$$x2y$$-$$xz3 + 4 The electric field at that point is ... AIPMT 2009 Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown vo... AIPMT 2009 Three concentric spherical shells have radii a, b and c (a &lt; b &lt; c) anf have surface charge densities$$\sigma $$,... AIPMT 2009 The electric potential at a point in free space due to charge Q coulomb is Q$$ \times $$1011 volts. The electric field... AIPMT 2008 A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charg... AIPMT 2008 A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the p... AIPMT 2008 Two condensers, one of capacity C and other of capacity C/2 are connected to a V-volt battery, as shown in the figure. T... AIPMT 2007 Three point charges +q,$$-$$2q and + q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x =$$a$... 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... AIPMT 2007 A hollow cylinder has a charge q coulomb within it. If $$f$$ is the electric flux in units of voltmeter associated with ... AIPMT 2007 An electric dipole of moment $$\overrightarrow p$$ is lying along a uniform electric field $$\overrightarrow E$$. The ... AIPMT 2006 A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E$$ (volt/m)... AIPMT 2006 A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery... AIPMT 2006 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 cir... 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 th... AIPMT 2005 A network of four capacitors of capacity equal to C1 = C, C2 = 2C, C3 = 3C and C4 = 4C are connected to a battery as sho... AIPMT 2005 An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric f... AIPMT 2004 A bullet of mass 2 g is having a charge of 2 $$\mu$$C. Through what potential difference must it be accelerated, starti... AIPMT 2004 A charge q is located at the centre of a cube. The electric flux through any face is AIPMT 2003 Three capacitors each of capacity 4 $$\mu$$F are to be connected in such a way that the effective capacitance is $$6\mu... AIPMT 2003 A capacitor of capacity C1 charged upto V volt and then connected to an uncharged capacitor of capacity C2. The final po... AIPMT 2002 Some charge is being given to a conductor. Then its potential is AIPMT 2002 Identical charges ($$-$$q) are placed at each corners of cube of side b then electrostatic potential energy of charge (+... AIPMT 2002 Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by AIPMT 2001 A charge Q$$\mu $$C is placed at the centre of a cube, the flux coming out from each face will be AIPMT 2001 A dipole of dipole moment$$\overrightarrow p $$is placed in uniform electric field$$\overrightarrow E $$then torque... AIPMT 2001 A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capa... AIPMT 2000 A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is AIPMT 2000 Electric field at centre O of semicircle of radius$$a$$having linear charge density$$\lambda$\$ given as ...
AIPMT 2000

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