State whether the following statements are True (T) or False (F): The discharge equation of a cell is E=V - Ir.

State whether the following statements are True (T) or False (F): The charging equation of a cell is V= E + Ir.

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): The charge of a body may be 2 xx 10^19C .

State whether the following statements are True (T) or False (F): The distance between object and real image if 4f where f is the focal length of a convex lens. The magnification is one.

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 emf of a cell is always equal to the terminal p.d of the cell.

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): The charge of a body increases with increases in velocity of the body.

State whether the following statements are True (T) or False (F): Test charge is considered to be a small positive charge (+q).

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