State whether the following statements are True (T) or False (F) :
x-rays is used for studying crystal structure.

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) : Radio waves is used in the working of TV remote switches.

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): Farad is a large unit for measuring the capacitance.

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 filter converts pulsatig d.c to steady d.c.

State whether the following statements are True (T) or False (F) : The velocity of gamma rays is more than that of x-rays.

State whether the following statements are True (T) or False (F): An electric line of force is the locus of the test charge.

State whether the following statements are True (T) or False (F) : The speed of light in glass is less than the speed of light in water.