Electric Field Lines

The variation of electric field between two charges $q_1$ and $q_2$ along the line joining the charges is plotted against distance from $q_1$ (taking rightward direction of electric field as positive) as shown in the figure. Then, the correct statement is

Figures (a) and (b) show the field lines of a positive and negative point charge respectively.

(a) Give the signs of the potential difference $V_P-V_Q,V_B-V_A$.
(b) Give the sign of the potential energy difference of a small negative charge between the points $Q$ and $P,A$ and $B$.
(c) Give the sign of the work done by the field in moving a small positive charge from $Q$ to $P$.
(d) Give the sign of the work done by the external agency in moving a small negative charge from $B$ to $A$.

Each of the following figures shows electric field vectors at two points $A$ and $B$ in an electric field. In which figure of figures can the illustrated field be created by a single point charge?

The smooth circular pipe is kept fixed in a horizontal plane. If mass $\mathrm{m}$ with change $+q$ is slightly displaced from the position shown, then distance traveled by the ball when the magnitude of normal becomes minimum would be

Two mutually perpendicular infinitely long straight conductors carrying uniformly distributed charges of ${\lambda }_1$ and ${\lambda }_2$ are at $x=0$ along $y$-axis and at $x=a$ parallel to $z$ axis. Then:

Which of the following diagram shows the electric fields lines due to positive and negative point charge?

Sketch the electric field lines between a positive and negative point charge placed at some separation.

Sketch the electric field lines of two identical positive charge placed at some separation.

Draw electric field lines due to a positive charge and a negative charge.

Sketch line of field due to two identical positive charges placed at a small distance apart in air.

Field lines due to a positive point charge are _______

Consider the lines of force as shown in the figure. Two unit positive charges are kept at points A and B.

Describe unique properties expressed by electric fields in the presence of conductors.

Two electric field lines due to a point charge

The density of the electric field lines at a point shows

The electric field lines diverge from

Which of the following figure represents the electric field lines due to a single positive charge?

Draw electric field lines due to a system of two equal positive charges kept at a distance apart. What these lines show?

Differentiate between the electric field lines of a single positive charge and that of a single negative charge.

An uncharged sphere of metal is placed in a uniform electric field produced by two large conducting parallel plates having equal and opposite charges, then lines of force look like