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PYQs Electric Charges & Fields JEE Mains All Questions MP Alam Class 12 Physics

If the electric flux entering and leaving an enclosed surface respectively is o, and o, the electric

An electric dipole is placed at an angle of 30° to a non uniform electric field. The dipole will exp

The region between two concentric spheres of radii 'a'and 'b', respectively (seefigure), have volum

Four closed surfaces and Four closed surfaces and corresponding charge distributions are shown below

An electric dipole has a fixed dipole moment p, which makes angle with respect to x-axis. When subj

Charges - q and + q located at A and B respectively. constitute an electric dipole. Distance AB = 2

An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electri

An electric dipole is formed by two equal and opposite charges q with separation d. The charges hav

Let a total charge 2 Q be distributed in a sphere of radius R, with the charge density given by p(r)

Shown in the figure is a shell made of a conductor. It hasinner radius a and outerradius b, and carr

In finding the electric field using Gauss law the formula E= Ienc EA is applicable. In the formula

An electric field E = 4xî - (y² +1)j N/C passes through the box shown in figure. The flux of the ele

Two identical electric point dipoles have dipole moments P= Pi and P₂ = -Pi and are held on the

The electric field in a region is given by The ratio of flux of reported field through the rectangu

A point charge of +12 µC is at a distance 6 cm vertically above the centre of side of asquare of sid

The electricfield in a region is given by E= i+ 5N with Ep = 4.0x103 The flux of this field through

Two ideal electric dipoles A and B having their dipole moment p1 and P2 respectively are placed on

Choose the incorrect statement : (A) The electric lines of force entering into a Gaussian surface pr

A cube is placed inside an electric field, E = 150y2. The side of the cube is 0.5 m and is placed in

A long cylindrical volume contains a uniformly distributed charge of density p. The radius of cylin

In the figure, a very large plane sheet of positive charge is shown. P, and P, are two points at di

If a charge q is placed at the centre of a closed hemispherical non-conducting surface, the total f

Given below are two statements: Statement-I: A point charge is brought in an electric field.The valu

The volume charge density of a sphere of radius 6 m is 2 µC cm3. The number of lines of force per un

Three point charges of magnitude 5µC 0.16µC and 0.3µС are located at the vertices A, B, C of a rig

A long cylindrical volume contains a uniformly distributed charge of density p Cm-3. The electric fi

Two electric dipoles of dipole moments 1.2 × 10-30 cm and 2.4 × 10-30 cm are placed in two differenc

In a cuboid of dimension 2L x 2L × L, a charge q is placed at the centre of the surface 'S' having a

As shown in figure a cuboid lies in a region with electricfield E= 2x²î-4y+6k.The magnitude of char

Expression for an electric field is given by Ē = 4000x2m The electric flux through thecube of side 2

A cubical volume is bounded by the surfaces x = 0, x = aа,y=0, y=a, z = 0, z = a. The electric field

A dipole comprises of two charged particles of identical magnitude q and opposite in nature. The mas

Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R.

Two charges each of magnitude 0.01 C and separated by a distance of 0.4 mm constitute an electric di

The electric field due to a short electric dipole at a large distance (r) from center of dipole on t

A charged oil drop is suspended in a uniform field of 3 × 104 v/m so that it neither falls nor rises

Four charges equal to - Q are placed at the four corners of a square and a charge q is at its centre

A charged ball B hangs from a silk thread S, which makes an angle 0 with a large charged conducting

Two point charges +8q and -2q are located at x = 0 and x = L respectively . The location of a point

Two spherical conductors A and B of radii I mm and 2 mm are separated by a distance of 5 em and are

A thin spherical shell of radus R has charge spread uniformly over its surface. Which of the follow

Let p(r) = be the charge density distribution for a solid sphere of radius R and total charge Q. For

This questions contains statement 1and statement 2 of the four choices given after the statements

Let there be a spherically symmetric charge distribution with charge density varying a

A thin semi-circular ring of radius r has a positive charge q distributed uniformly over it. The net

Three positive charges of equal value q are placed at vertices of an equilateral triangle. The resul

In a uniformly charged sphere of total charge Q and radius R the electric field E is plotted as fu

A liquid drop having 6 excess electrons is kept stationary under a uniform electric field of 25.5 k

The magnitude of the average electric field normally present in the atmosphere just above the surfac

A wire of length L (=20 cm) is bent into a semi circular arc. If the two equal halves of the arc wer

A long cylindrical shell carries positive surface charge in the upper half and negative surface char

A solid ball of radius R as a charge density p given byP=d01-- for0SrS R. The electric field outside

A body of mass M and charge q is connected to a spring of spring constant k. It isoscillating along

Two point charges q1 (110 μC) and q2 (- 25 μC) are placed on the x-axis at x = 1 m and x = 4 m respe

For a uniformly charged ring of radius R the electric field on its axis has the largest magnitude a

The bob of a simple pendulum has mass 2 g and a charge of 5.0 µC. It is at rest in a uniform horizon

Four point charges-q +q + q and -q are placed on y-axis at y =-2d, y= -d, y = +d and y= +2d, resp