Physics-
General
Easy
Question
Two short electric dipoles are placed as shown. The energy of electric interaction between these dipoles will be
The correct answer is:
Related Questions to study
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
chemistry-
The equilibrium 
in aqueous medium at 25°C shifts towards the left in the presence of :
The equilibrium in aqueous medium at 25°C shifts towards the left in the presence of :
chemistry-General
