Home
Class 12
PHYSICS
Positive and negative point charges of e...

Positive and negative point charges of equal magnitude are kept at `(0,0, (a)/(2))` and `(0,0, (-a)/(2))` respectively. The work done by the electric field when another positive charge is moved from `(-a,0,0)` to `(0,a,0)` is

A

positive

B

negative

C

zero

D

depends on the path connecting the initial and final positions

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Poistive and negative point charges of equal magnitude are kept at (0, 0, a/2) and (0, 0, (-a)/(2)) respectively. The work done by the electric field when another poistive point charge is moved from (-a, 0, 0) to (0, a, 0) is

Two point charges of, 1 mu C and -1 mu C are kept at (-2 m, 0) and (2 m, 0) respectively. Calculate the electric field at point (0, 5 m).

Two point charges q and –q are at positions (0,0,d) and (0,0, –d) respectively . What is the electric field at (a,0,0 ) ?

Two point charges of magnitude +q and -q are placed at (-d//2,0,0) and (d//2,0,0) are respectively. Find the equation of the euipotential surface where the potential is zero.

Two charges q_(1) and q_(2) are placed at (0,0,d) and (0,0,-d) respectively. Find locus of points where the potential is zero.

Two point charges of magnitude 4 mu C and-4 mu C are kept at points (-2 cm, 0) and (2 cm, 0) respectively. Calculate the magnitude of electric field intensity at points (0, 2 cm).

(i) Can two equpotential surfaces intersect each other ? Give reason. (ii) Two charges + q and -q are located at points A (0, 0, -2) and B(0, 0, 2) respectively. How much work will be done in moving a test charge from point P (4, 0, 0) " to " (-5, 0,0) ?