Can a body have a charge of 1.8 xx 10^(-19) C ? Justify your answer .

A charged body contains charge q = 0.8 xx 10^(-19) C . Is it possible ? Give reason.

A copper coin has mass 3.1 xx 10^(-3) kg . What is the magnitude of charge on copper coin , if the copper atom has a positive nuclear charge of 4.6 xx 10^(-18) C and 1 mole of copper = 64 g ?

A charged particle has charge q = 0.6 xx 10^(-19) C . State true or false by giving reason .

Is there any variation of mass of a charged body ? Give reason.

Calculate the potential at a point P due to a charge of 1.2xx10^(-8)C located 108mm away.

A polythene piece rubbed with wool is found to have negative charge of 4.8 xx 10 C . Estimate the number of electrons transferred.

A spherical conductor of radius 12 cm has a charge 1.6xx10^(-7) C distributed uniformly on its surface. What is the electric filed inside the sphere

A spherical conductor of radius 12 cm has a charge 1.6xx10^(-7) C distributed uniformly on its surface. What is the electric filed outside the sphere.

Is there any variation of mass of a charged body? Give reason.