Physics-
General
Easy
Question
4 charges are placed each at a distance 'a' from origin. The dipole moment of configuration is
- none
The correct answer is:
Related Questions to study
physics-
Two short electric dipoles are placed as shown. The energy of electric interaction between these dipoles will be
Two short electric dipoles are placed as shown. The energy of electric interaction between these dipoles will be
physics-General
physics-
A large sheet carries uniform surface charge density 
. A rod of length 2l has a linear charge density 
on one half and –l on the second half. The rod is hinged at mid point O and makes an angle q with the normal to the sheet. The torque experienced by the rod is
A large sheet carries uniform surface charge density . A rod of length 2l has a linear charge density on one half and –l on the second half. The rod is hinged at mid point O and makes an angle q with the normal to the sheet. The torque experienced by the rod is
physics-General
physics-
Figure shows the electric field lines around an electric dipole. Which of the arrows best represents the electric field at point P ?
Figure shows the electric field lines around an electric dipole. Which of the arrows best represents the electric field at point P ?
physics-General
physics-
A, B, C, D, P and Q are points in a uniform electric field. The potentials a these points are V (A) = 2 volt. V (P) = V (B) = V (D) = 5 volt. V (C) = 8 volt. The electric field at P is
A, B, C, D, P and Q are points in a uniform electric field. The potentials a these points are V (A) = 2 volt. V (P) = V (B) = V (D) = 5 volt. V (C) = 8 volt. The electric field at P is
physics-General
physics-
An equilateral triangle wire frame of side L having 3 point charges at its vertices is kept in x-y plane as shown. Component of electric field due to the configuration in z direction at (0, 0, L) is [origin is centroid of triangle]
An equilateral triangle wire frame of side L having 3 point charges at its vertices is kept in x-y plane as shown. Component of electric field due to the configuration in z direction at (0, 0, L) is [origin is centroid of triangle]
physics-General
physics-
A wheel having mass m has charges +q and –q on diametrically opposite points. It remains in equilibrium on a rough inclined plane in the presence of uniform vertical electric field E =
A wheel having mass m has charges +q and –q on diametrically opposite points. It remains in equilibrium on a rough inclined plane in the presence of uniform vertical electric field E =
physics-General
physics-
Find the force experienced by the semicircular rod charged with a charge q, placed as shown in figure. Radius of the wire is R and the line of charge with linear charge density l is passing through its centre and perpendicular to the plane of wire.
Find the force experienced by the semicircular rod charged with a charge q, placed as shown in figure. Radius of the wire is R and the line of charge with linear charge density l is passing through its centre and perpendicular to the plane of wire.
physics-General
physics-
In a certain region of space, the potential is given by : 
The electric field at the point (1, 1, 1) has magnitude =
In a certain region of space, the potential is given by : The electric field at the point (1, 1, 1) has magnitude =
physics-General
physics-
A uniform electric field having strength 
is existing in x-y plane as shown in figure. Find the p.d. between origin O & A(d, d, 0)
A uniform electric field having strength is existing in x-y plane as shown in figure. Find the p.d. between origin O & A(d, d, 0)
physics-General
physics-
Figure shows equi-potential surfaces for a two charges system. At which of the labeled points point will an electron have the highest potential energy?
Figure shows equi-potential surfaces for a two charges system. At which of the labeled points point will an electron have the highest potential energy?
physics-General
chemistry-
From B2H6 , all the following can be prepared except –
From B2H6 , all the following can be prepared except –
chemistry-General
chemistry-
black coloured compound (A) on reaction with dilH2SO4 gives a gas (B) which on passing in a Solution of an acid (C) gives a white turbidity (D)Gas (B) when passed in an acidified Solution of a compound (E) gives a black precipitate (F) which is Soluble in hot concentrated (C)After boiling this Solution when excess of ammonia Solution is added, a blue coloured compound (G) is formed To the Solution of (E), on addition of acetic acid and aqpotassium ferrocyanide, a chocolate brown precipitate (H) is formed On addition of an aqueous Solution of BaCl2 to an aqueous Solution of (E) white precipitate in Soluble in HNO3 is obtained
When a piece of iron or zinc is added to the Solution of a compound (F) in hot concentrated (C) acid:
black coloured compound (A) on reaction with dilH2SO4 gives a gas (B) which on passing in a Solution of an acid (C) gives a white turbidity (D)Gas (B) when passed in an acidified Solution of a compound (E) gives a black precipitate (F) which is Soluble in hot concentrated (C)After boiling this Solution when excess of ammonia Solution is added, a blue coloured compound (G) is formed To the Solution of (E), on addition of acetic acid and aqpotassium ferrocyanide, a chocolate brown precipitate (H) is formed On addition of an aqueous Solution of BaCl2 to an aqueous Solution of (E) white precipitate in Soluble in HNO3 is obtained
When a piece of iron or zinc is added to the Solution of a compound (F) in hot concentrated (C) acid:
chemistry-General
chemistry-
A sodium salt on treatment with MgCl2 gives white precipitate only on heating The anion of the sodium salt is :
A sodium salt on treatment with MgCl2 gives white precipitate only on heating The anion of the sodium salt is :
chemistry-General
chemistry-
The correct option(s) to distinguish nitrate salts of Mn2+ and Cu2+ taken separately is (are)
The correct option(s) to distinguish nitrate salts of Mn2+ and Cu2+ taken separately is (are)
chemistry-General
chemistry-
For the given aqueous reaction which of the statement(s) is (are) true ? 
For the given aqueous reaction which of the statement(s) is (are) true ?
chemistry-General
