94) If the full load iron loss of the transformer is 1000 watts, what will be the iron loss at half load ?

95) If the input of the small transformer is 15 VA, what will be the output in VA when the efficiency is taken as 80% ?

96) When the primary and secondary voltage are derived from the same winding, that transformer is called :

97) The application of the auto transformer is

98) The colour of the fresh silica gel used in breather of transformer is :