Define dielectric constant. Two charges `+-20xx10^(-6)C,` placed 2 mm apart from an electric dipole. Determine the electric field at a point 10 cm away from the centre of the dipole on its perpendicular bisector. Given, `1/(4 pi epsilon_(0))=9xx10^(9)N.m^(2).C^(-2)`

Magnetic moment of a small bar magnet is 2A.m^(2) Determine the magnetic field at a point 10 cm from the centre of the magnet on its perpendicular bisector.

An electric dipole consists of two charges +- 20 xx 10^-6 C separated by a distance 2 xx 10^-3 m . Find electric field at a distance 0.10 m from the centre of the dipoie on the perpendicular bisector.

A spherical conductor of radius 12 cm has a charge of 1. 6 xx 10^(-7) C distributed uniformly on its surface. What is the electric field at a point 18 cm from the centre of the sphere ?

A spherical conductor of radius 12cm has a charge of 1.6times10^(-7)C distributed uniformly on its surface. What is the electric field : at a point18 cm from the centre of the sphere

Two charges +q and -q separated by a distance of 3xx10^(-12)m in air form an electric dipole. If the intensity of the electric field is 3.3xx10^(-32)N.C^(-1) at a distance 3 cm from the dipole on the perpendicular bisector, what is value of q?

A conducting sphere of radius 5 cm has a charge of 20 esu. What is the electric potential at a distance of 10 cm away from its centre?

An electric dipole is formed by placing charges pm 20 xx 10 ^( -6 ) C at a distance 2 mm. Calculate the electric field at a point on the perpendicular bisector of the axis of the dipole situated at a distance 10 cm from the midpoint of the dipole.

The value of electric field at a region of space is given by, E=Ar where A=100V .m^(2) and r=distance (in m) from origin inside the electric field. Find the amount of charge enclosed in a sphere of radius 20 cm centered at the origion. Given 1/(4piepsilon_(0))=9xx101/(4piepsilon_(0))=9xx10^(9)N.m^(2).c^(-2)