Charges are placed on the verticles of a...

Charges are placed on the verticles of a as shown. Let `vec(E)` be the electric field and V the potential at the centre. If the charges on a and B are inercharged with those on D and C respectively, then-

`vecE` changes, V remains unchanged

`vecE` remains unchanged, V changes

Both `vecE` and changes

`vecE` and V remain unchanged

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

TEST PAPER 2
ALLEN |Exercise PHYSICS|45 Videos
TEST PAPER 4
ALLEN |Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

1muC charge is placed on each vertex of a regular hexagon. Side of hexagon is 1 m, then electric field at its centre is.......

Three infinitely long charge sheets are placed as shown in figure. The electric field at point P is

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

A positively charged particle is released from rest in an unform electric field. The electric potential energy of the charge

Eight charges, each of magnitude q are placed at the vertices of a cube placed in vacuum. Electric potential at the centre of the cube due to this system of charges is ..... (epsi_0 0 is permittivity of vacuum and a is length of each side of the cube)

Write the relation between the electric field of an electric charge and electrostatic potential at any point

Five charges, q each are placed at the corners of a regular pentagon of side 'a' as in figure: (a) (i) What will be the electric field at O, the centre of the pentagon ? (ii) What will be the electric field at O if the charge from one of the corners (say A) is removed ? (iii) What will be the electric field at O if the charge q at A is replaced by -q ? (b) How would your answer to (a) be affected if pentagon is replaced by n-sided regular polygon with charge q at each of its corners ?

Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a square as shown in the following figure. The directon of electric field at the centre of the square is along

Charges q is uniformly distributed over a thin half ring of radius R . The electric field at the centre of the ring is

ALLEN -TEST PAPER 3-PHYSICS

A charge Q1 exerts some force on a second charge Q2. If a 3rd charge Q...
Text Solution
|
Two particles A and B having equal charges are placed at distance d ap...
Text Solution
|
An infinite number of charges, each of magnitude q, are placed along x...
Text Solution
|
Two pitch balls carrying equal charges are suspended from a common poi...
Text Solution
|
Two spheres A and B are charged with the charges of +10 and +20 coulom...
Text Solution
|
The electric field due to a uniformly charged sphere is maximum at :
Text Solution
|
Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a squ...
Text Solution
|
A charged oil drop is suspended in a uniform filed of 3xx10^4 v//m so ...
Text Solution
|
The electric field at a distance (3R)/2 from the centre of a charged ...
Text Solution
|
Four point +ve charges of same magnitude (Q) are placed at four corner...
Text Solution
|
A thin semi-circular ring of radius r has a positive charge q distribu...
Text Solution
|
Three positive charges of equal value q are placed at the verticles of...
Text Solution
|
A Gaussian surface in the fig. is shown by dotted line. The electric f...
Text Solution
|
The length of each side of a cubical surface is l. If charge q is situ...
Text Solution
|
A positively charged body 'A' has been brought near a neutral brass sp...
Text Solution
|
Inside a charged hollow spherical conductor. the potential :-
Text Solution
|
Equal charges q are placed at the three corners B, C, D of a square A...
Text Solution
|
Charges are placed on the verticles of a as shown. Let vec(E) be the e...
Text Solution
|
The variation of potential with distance r from a fixed point is shown...
Text Solution
|
Three charges Q, +q and +q are placed at the vertices of a right angle...
Text Solution
|