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 :

99) What will be the colour of the silicon gel after it absorbs moisture from air ?