State whether the following statements are True (T) or False (F):
The colour of the sky appears black form the surface of the moon.

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): Electric field is a scalar field.

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 may be 2 xx 10^19C .

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): Test charge should not appreciably alter the field of the source charge.

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) All colours of light travel with the same velocity in air.

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

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