Electric Potential

A particle of charge+q and mass m moving under the influence of a uniform electric field E $\widehat{\text{i}}\text{and magnetic field B}\widehat{\text{k}}$enters in I quadrant of a coordinate system at a point (0, a) with initial velocity v$\widehat{\text{i}}$and leaves the quadrant at a point (2a, 0) with velocity $-\mathrm{2 }\text{v}\widehat{\text{j}}$.
Find Rate of work done by the electric field at point (0, a)

How does the electric potential due to a dipole vary on the dipole axis as a function of $r$– distance of the field point from the mid–point of the dipole, at large distances?

Which of the following quantities do not depend on the choice of zero potential ?

The diagram shows a uniform electric field in which the lines of equal potential are spaced $2.0 \mathrm{cm}$ apart. What is the value of the electric field in$\mathrm{V} {\mathrm{m}}^{-1}$.

In the region where the electric field is zero, the relation between the electric potential $V$ and distance $r$ is,

Five equal point charges with $Q=\mathrm{10 }nC$ are located at $x=2, 4, 5, 10$ and $\mathrm{20 }m$ . If ${\epsilon }_0=\left[{10}^{-9}/36\mathrm{\pi }\right]F/m$ , then the potential at the origin $\left(x=0\right)$ is

On moving a charge of $20 \mathrm{C}$ by $2 \mathrm{cm}$, $2 \mathrm{J}$ of work is done, then the potential difference (in volt) between the points is

Which is the quantity that is equal to the work done on a unit positive charge to move it from infinity to a point in space?

An electric charge ${10}^{–3}\mathrm{\mu }\mathrm{C}\mathrm{ }$ is placed at the origin$\mathrm{ }\left(0,\mathrm{ }0\right)$. Two points $\mathrm{A}$ and $\mathrm{B}$ are situated at $\left(\sqrt{2}\mathrm{¸}\sqrt{2}\right)$ and $\left(2,\mathrm{ }0\right)$ respectively. The potential difference between the points $\mathrm{A}$ and $\mathrm{B}$ will be

In an electrical circuit, three incandescent bulbs A, B and C of rating 40 W,60 W, and 100 W respectively are connected in parallel to an electric source.
Which of the following is likely to happen regarding their brightness?

_____ Joule is the amount of work done in moving a charge of 5 C across two points having a potential difference of 100V.

The electric potential difference between two points is said to be _____ (1 volt/ 1 ohm) if 1 joule of work is done to move 1 coulomb of electric charge from one point to another point.

Two charged bodies having equal potential are connected through a conducting wire, in this case, _________.

The amount of work done when a unit positive charge is moved from infinity to a point is known as _____.

Which of the Following Represents  Voltage?

The nature of the graph between potential difference and the electric current flowing through a conductor is___________.

How much work is to be done in moving an electron between two points having a potential difference of $20 \mathrm{V}$ in $\mathrm{eV}$?

What will be the electric potential due to a charge at infinity?

A unit charge is moved in a circular path of radius $r$ having a point charge $q$ at the centre. The work done in one complete rotation is

An $\mathrm{\alpha }$ particle is moved from rest from a point where potential is $70 \mathrm{V}$  to another point having potential $50 \mathrm{V}$. The kinetic energy of $\mathrm{\alpha }$ particle at the second point is