State whether the following statements are True (T) or False (F):
Charges can be created but can not be destroyed.

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): A cell is a source of electrons.

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): Test charge is considered to be a small positive charge (+q).

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): From a NOR gate only NOT gate can be obtained.

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

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

State whether the following statements are True (T) or False (F): A filter converts pulsatig d.c to steady d.c.