State whether the following statements are True (T) or False (F): The resistance of a conductor does not depend on the nature of the conductor.

State whether the following statements are True (T) or False (F): A cell is a source of electrons.

State whether the following statements are True (T) or False (F): Human body is a conductor of eletricity.

State whether the following statements are True (T) or False (F): Electric field is a scalar field.

State wheteher the following statements are True (T) or False (F): All insulators are dielectrics.

State whether the following statements are True (T) or False (F): The charge of a body may be 2 xx 10^19C .

State whether the following statements are True (T) or False (F): In Boolean algebra (A+A) = A.

State whether the following statements are True (T) or False (F): n-type emiconductors are negatively charged.

State wheteher the following statements are True (T) or False (F): As isolated charged conductor has no electrical capacity.

State whether the following statements are True (T) or False (F) The refractive index of the material of a prism depends on the angle of the prism.

State whether the following statements are True (T) or False (F): The mass of a body decreases when it is negatively charged.