Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- A dipole of moment p is placed in uniform electric field E then torque acting on it is given by : -
- Some charge is being given to a conductor. Then its potential :
- A capacitor of capacity C_1 charged upto V volt and then connected to an uncharged capacitor C_2. Then final P.D. across each...
- Identical charges (-q) are placed at each corner of a cube of side 'b' then electrical potential energy of charge (+q) which is...
- Three capacitors each of capacity 4 are to be connected in such a way that the effective capacitance is 6 . This can be done by -
- A bullet of mass 2 g is having a charge of 2 . Through what potential difference must it be accelerated, starting from rest, to...
- An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E....
- An electric dipole of moment p is lying along a uniform electric field E . The work done in rotating the dipole by 90^ is:-
- A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the...
- Three point charges +q, -2q and +q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x = a, y = 0, z = 0)...
- The electric potential at a point in free space due to a charge Q coulomb is Q 10^ 11 volts. The electric field at that point is
- Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and breakdown voltage of...
- The electric potential at a point (x, y, z) is given by V = -x^2y - xz^3 + 4. The electric field E at that point is:
- The mean free path of electrons in a metal is 4 10^ -8 m . The electric field which can give on an average 2 eV energy to an...
- Two parallel metal plates having charges +Q and -Q face each other at a certain distance between them. If the plates are now...
- The electric potential V at any point (x, y, z), all in meters in space is given by V = 4x^2 volt. The electric field at the...
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 10^ -2 C and 5 10^ -2 C , respectively. If these are...
- An electric dipole of moment 'p' is placed in an electric field of intensity 'E'. The dipole acquires a position such that the...
- A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere...
- In a region, the potential is represented by V(x, y, z) = 6x - 8xy - 8y + 6yz, where V is in volts and x, y, z are in metres. The...
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